- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 6 | 8 | 2 | 51-4122.00 | Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders |
| 2 | 2 | 2 | 51-4021.00 | Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic |
| 2 | 2 | 2 | 51-4194.00 | Tool Grinders, Filers, and Sharpeners |
| 2 | 2 | 2 | 49-9044.00 | Millwrights |
| 2 | 2 | 3 | 51-2041.00 | Structural Metal Fabricators and Fitters |
| 2 | 2 | 1 | 51-6021.00 | Pressers, Textile, Garment, and Related Materials |
| 1 | 3 | 3 | 49-9063.00 | Musical Instrument Repairers and Tuners |
| 1 | 2 | 3 | 51-4062.00 | Patternmakers, Metal and Plastic |
| 1 | 2 | 3 | 51-4111.00 | Tool and Die Makers |
| 1 | 2 | 2 | 51-9083.00 | Ophthalmic Laboratory Technicians |
| 1 | 2 | 3 | 49-9062.00 | Medical Equipment Repairers 
|
| 1 | 2 | 2 | 51-4081.00 | Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 2 | 3 | 51-9071.06 | Gem and Diamond Workers |
| 1 | 2 | 2 | 51-7042.00 | Woodworking Machine Setters, Operators, and Tenders, Except Sawing |
| 1 | 2 | 2 | 51-4072.00 | Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 51-4022.00 | Forging Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 3 | 49-3052.00 | Motorcycle Mechanics |
| 1 | 1 | 3 | 51-9082.00 | Medical Appliance Technicians |
| 1 | 1 | 2 | 51-4035.00 | Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 49-3091.00 | Bicycle Repairers |
| 1 | 1 | 3 | 51-9162.00 | Computer Numerically Controlled Tool Programmers
|
| 1 | 1 | 2 | 49-9098.00 | Helpers--Installation, Maintenance, and Repair Workers |
| 1 | 1 | 3 | 49-9041.00 | Industrial Machinery Mechanics
|
| 1 | 1 | 2 | 51-4034.00 | Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 51-9195.03 | Stone Cutters and Carvers, Manufacturing |
| 1 | 1 | 2 | 51-2022.00 | Electrical and Electronic Equipment Assemblers
|
| 1 | 1 | 2 | 51-9022.00 | Grinding and Polishing Workers, Hand |
| 1 | 1 | 2 | 51-4033.00 | Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 51-4023.00 | Rolling Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 3 | 49-3042.00 | Mobile Heavy Equipment Mechanics, Except Engines
|
| 1 | 1 | 3 | 51-8013.04 | Hydroelectric Plant Technicians |
| 1 | 1 | 3 | 49-1011.00 | First-Line Supervisors of Mechanics, Installers, and Repairers |
| 1 | 1 | 2 | 49-9099.01 | Geothermal Technicians |
| 1 | 1 | 2 | 51-7041.00 | Sawing Machine Setters, Operators, and Tenders, Wood |
| 1 | 1 | 2 | 51-9141.00 | Semiconductor Processing Technicians
|
| 1 | 1 | 2 | 49-3021.00 | Automotive Body and Related Repairers |
| 1 | 1 | 3 | 49-9092.00 | Commercial Divers
|
| 1 | 1 | 3 | 51-5111.00 | Prepress Technicians and Workers |
| 1 | 1 | 2 | 51-9195.00 | Molders, Shapers, and Casters, Except Metal and Plastic |
| 1 | 1 | 2 | 51-9032.00 | Cutting and Slicing Machine Setters, Operators, and Tenders |
| 1 | 1 | 2 | 51-9041.00 | Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders |
| 1 | 1 | 3 | 51-4041.00 | Machinists |
| 1 | 1 | 2 | 51-2011.00 | Aircraft Structure, Surfaces, Rigging, and Systems Assemblers |
| 1 | 1 | 2 | 51-9194.00 | Etchers and Engravers |
| 1 | 1 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
| 1 | 1 | 2 | 51-4031.00 | Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic |
- Set up, operate, or tend welding machines that join or bond components to fabricate metal products or assemblies.
- Correct problems by adjusting controls or by stopping machines and opening holding devices.
- Select, position, align, and bolt jigs, holding fixtures, guides, or stops onto machines, using measuring instruments and hand tools.
- Tend auxiliary equipment used in welding processes.
- Select torch tips, alloys, flux, coil, tubing, or wire, according to metal types or thicknesses, data charts, or records.
- Start, monitor, and adjust robotic welding production lines.
- Fill hoppers and position spouts to direct flow of flux or manually brush flux onto seams of workpieces.
- Dress electrodes, using tip dressers, files, emery cloths, or dressing wheels.
- Inspect, measure, or test completed metal workpieces to ensure conformance to specifications, using measuring and testing devices.
- Read blueprints, work orders, or production schedules to determine product or job instructions or specifications.
- Assemble, align, and clamp workpieces into holding fixtures to bond, heat-treat, or solder fabricated metal components.
- Lay out, fit, or connect parts to be bonded, calculating production measurements, as necessary.
- Give directions to other workers regarding machine set-up and use.
- Mark weld points and positions of components on workpieces, using rules, squares, templates, or scribes.
- Transfer components, metal products, or assemblies, using moving equipment.
- Clean, lubricate, maintain, and adjust equipment to maintain efficient operation, using air hoses, cleaning fluids, and hand tools.
- Prepare metal surfaces or workpieces, using hand-operated equipment, such as grinders, cutters, or drills.
- Conduct trial runs before welding, soldering, or brazing, and make necessary adjustments to equipment.
- Remove completed workpieces or parts from machinery, using hand tools.
- Load or feed workpieces into welding machines to join or bond components.
- Observe meters, gauges, or machine operations to ensure that soldering or brazing processes meet specifications.
- Turn and press knobs and buttons or enter operating instructions into computers to adjust and start welding machines.
- Compute and record settings for new work, applying knowledge of metal properties, principles of welding, and shop mathematics.
- Set dials and timing controls to regulate electrical current, gas flow pressure, heating or cooling cycles, or shut-off.
- Record operational information on specified production reports.
- Devise or build fixtures or jigs used to hold parts in place during welding, brazing, or soldering.
- Add chemicals or materials to workpieces or machines to facilitate bonding or to cool workpieces.
- Immerse completed workpieces into water or acid baths to cool and clean components.
- Anneal finished workpieces to relieve internal stress.
- Set up, operate, or tend welding machines that join or bond components to fabricate metal products or assemblies.
- Correct problems by adjusting controls or by stopping machines and opening holding devices.
- Select, position, align, and bolt jigs, holding fixtures, guides, or stops onto machines, using measuring instruments and hand tools.
- Tend auxiliary equipment used in welding processes.
- Select torch tips, alloys, flux, coil, tubing, or wire, according to metal types or thicknesses, data charts, or records.
- Start, monitor, and adjust robotic welding production lines.
- Fill hoppers and position spouts to direct flow of flux or manually brush flux onto seams of workpieces.
- Dress electrodes, using tip dressers, files, emery cloths, or dressing wheels.
- Determine setup procedures and select machine dies and parts, according to specifications.
- Select nozzles, spacers, and wire guides, according to diameters and lengths of rods.
- Measure and examine extruded products to locate defects and to check for conformance to specifications, adjusting controls as necessary to alter products.
- Start machines and set controls to regulate vacuum, air pressure, sizing rings, and temperature, and to synchronize speed of extrusion.
- Reel extruded products into rolls of specified lengths and weights.
- Install dies, machine screws, and sizing rings on machines that extrude thermoplastic or metal materials.
- Change dies on extruding machines, according to production line changes.
- Clean work areas.
- Troubleshoot, maintain, and make minor repairs to equipment.
- Weigh and mix pelletized, granular, or powdered thermoplastic materials and coloring pigments.
- Test physical properties of products with testing devices such as acid-bath testers, burst testers, and impact testers.
- Load machine hoppers with mixed materials, using augers, or stuff rolls of plastic dough into machine cylinders.
- Maintain an inventory of materials.
- Adjust controls to draw or press metal into specified shapes and diameters.
- Replace worn dies when products vary from specifications.
- Operate shearing mechanisms to cut rods to specified lengths.
- Determine setup procedures and select machine dies and parts, according to specifications.
- Select nozzles, spacers, and wire guides, according to diameters and lengths of rods.
- Select and mount grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasives and grinding procedures.
- Attach workpieces to grinding machines and form specified sections and repair cracks, using welding or brazing equipment.
- Monitor machine operations to determine whether adjustments are necessary, stopping machines when problems occur.
- Inspect, feel, and measure workpieces to ensure that surfaces and dimensions meet specifications.
- Study blueprints or layouts of metal workpieces to determine grinding procedures, and to plan machine setups and operational sequences.
- Compute numbers, widths, and angles of cutting tools, micrometers, scales, and gauges, and adjust tools to produce specified cuts.
- Turn valves to direct flow of coolant against cutting wheels and workpieces during grinding.
- Set up and operate grinding or polishing machines to grind metal workpieces, such as dies, parts, and tools.
- Dress grinding wheels, according to specifications.
- File or finish surfaces of workpieces, using prescribed hand tools.
- Perform basic maintenance, such as cleaning and lubricating machine parts.
- Remove finished workpieces from machines and place them in boxes or on racks, setting aside pieces that are defective.
- Remove and replace worn or broken machine parts, using hand tools.
- Fit parts together in pre-assembly to ensure that dimensions are accurate.
- Duplicate workpiece contours, using tracer attachments.
- Inspect dies to detect defects, assess wear, and verify specifications, using micrometers, steel gauge pins, and loupes.
- Place workpieces in electroplating solutions or apply pigments to surfaces of workpieces to highlight ridges and grooves.
- Straighten workpieces and remove dents, using straightening presses and hammers.
- Select and mount grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasives and grinding procedures.
- Attach workpieces to grinding machines and form specified sections and repair cracks, using welding or brazing equipment.
- Assemble machines, and bolt, weld, rivet, or otherwise fasten them to foundation or other structures, using hand tools and power tools.
- Weld, repair, and fabricate equipment or machinery.
- Insert shims, adjust tension on nuts and bolts, or position parts, using hand tools and measuring instruments, to set specified clearances between moving and stationary parts.
- Level bedplate and establish centerline, using straightedge, levels, and transit.
- Align machines or equipment, using hoists, jacks, hand tools, squares, rules, micrometers, lasers, or plumb bobs.
- Assemble and install equipment, using hand tools and power tools.
- Signal crane operator to lower basic assembly units to bedplate, and align unit to centerline.
- Conduct preventative maintenance and repair, and lubricate machines and equipment.
- Replace defective parts of machine, or adjust clearances and alignment of moving parts.
- Attach moving parts and subassemblies to basic assembly unit, using hand tools and power tools.
- Lay out mounting holes, using measuring instruments, and drill holes with power drill.
- Position steel beams to support bedplates of machines and equipment, using blueprints and schematic drawings to determine work procedures.
- Shrink-fit bushings, sleeves, rings, liners, gears, and wheels to specified items, using portable gas heating equipment.
- Move machinery and equipment, using hoists, dollies, rollers, and trucks.
- Dismantle machinery and equipment for shipment to installation site, performing installation and maintenance work as part of team.
- Dismantle machines, using hammers, wrenches, crowbars, and other hand tools.
- Fabricate and dismantle parts, equipment, and machines, using a cutting torch or other cutting equipment.
- Bolt parts, such as side and deck plates, jaw plates, and journals, to basic assembly unit.
- Construct foundation for machines, using hand tools and building materials such as wood, cement, and steel.
- Install robot and modify its program, using teach pendant.
- Troubleshoot equipment, electrical components, hydraulics, or other mechanical systems.
- Connect power unit to machines or steam piping to equipment, and test unit to evaluate its mechanical operation.
- Operate engine lathe to grind, file, and turn machine parts to dimensional specifications.
- Assemble machines, and bolt, weld, rivet, or otherwise fasten them to foundation or other structures, using hand tools and power tools.
- Weld, repair, and fabricate equipment or machinery.
- Position, align, fit, and weld parts to form complete units or subunits, following blueprints and layout specifications, and using jigs, welding torches, and hand tools.
- Tack-weld fitted parts together.
- Verify conformance of workpieces to specifications, using squares, rulers, and measuring tapes.
- Align and fit parts according to specifications, using jacks, turnbuckles, wedges, drift pins, pry bars, and hammers.
- Move parts into position, manually or with hoists or cranes.
- Study engineering drawings and blueprints to determine materials requirements and task sequences.
- Set up and operate fabricating machines, such as brakes, rolls, shears, flame cutters, grinders, and drill presses, to bend, cut, form, punch, drill, or otherwise form and assemble metal components.
- Lay out and examine metal stock or workpieces to be processed to ensure that specifications are met.
- Lift or move materials and finished products, using large cranes.
- Remove high spots and cut bevels, using hand files, portable grinders, and cutting torches.
- Mark reference points onto floors or face blocks and transpose them to workpieces, using measuring devices, squares, chalk, and soapstone.
- Set up face blocks, jigs, and fixtures.
- Position or tighten braces, jacks, clamps, ropes, or bolt straps, or bolt parts in position for welding or riveting.
- Locate and mark workpiece bending and cutting lines, allowing for stock thickness, machine and welding shrinkage, and other component specifications.
- Erect ladders and scaffolding to fit together large assemblies.
- Design and construct templates and fixtures, using hand tools.
- Hammer, chip, and grind workpieces to cut, bend, and straighten metal.
- Straighten warped or bent parts, using sledges, hand torches, straightening presses, or bulldozers.
- Smooth workpiece edges and fix taps, tubes, and valves.
- Preheat workpieces to make them malleable, using hand torches or furnaces.
- Heat-treat parts, using acetylene torches.
- Install boilers, containers, and other structures.
- Direct welders to build up low spots or short pieces with weld.
- Position, align, fit, and weld parts to form complete units or subunits, following blueprints and layout specifications, and using jigs, welding torches, and hand tools.
- Tack-weld fitted parts together.
- Select appropriate pressing machines, based on garment properties such as heat tolerance.
- Select, install, and adjust machine components, including pressing forms, rollers, and guides, using hoists and hand tools.
- Hang, fold, package, and tag finished articles for delivery to customers.
- Operate steam, hydraulic, or other pressing machines to remove wrinkles from garments and flatwork items, or to shape, form, or patch articles.
- Straighten, smooth, or shape materials to prepare them for pressing.
- Remove finished pieces from pressing machines and hang or stack them for cooling, or forward them for additional processing.
- Finish pleated garments, determining sizes of pleats from evidence of old pleats or from work orders, using machine presses or hand irons.
- Lower irons, rams, or pressing heads of machines into position over material to be pressed.
- Identify and treat spots on garments.
- Shrink, stretch, or block articles by hand to conform to original measurements, using forms, blocks, and steam.
- Finish fancy garments such as evening gowns and costumes, using hand irons to produce high quality finishes.
- Push and pull irons over surfaces of articles to smooth or shape them.
- Finish pants, jackets, shirts, skirts and other dry-cleaned and laundered articles, using hand irons.
- Slide material back and forth over heated, metal, ball-shaped forms to smooth and press portions of garments that cannot be satisfactorily pressed with flat pressers or hand irons.
- Spray water over fabric to soften fibers when not using steam irons.
- Position materials such as cloth garments, felt, or straw on tables, dies, or feeding mechanisms of pressing machines, or on ironing boards or work tables.
- Moisten materials to soften and smooth them.
- Clean and maintain pressing machines, using cleaning solutions and lubricants.
- Press ties on small pressing machines.
- Block or shape knitted garments after cleaning.
- Activate and adjust machine controls to regulate temperature and pressure of rollers, ironing shoes, or plates, according to specifications.
- Use covering cloths to prevent equipment from damaging delicate fabrics.
- Examine and measure finished articles to verify conformance to standards, using measuring devices such as tape measures and micrometers.
- Finish velvet garments by steaming them on bucks of hot-head presses or steam tables, and brushing pile (nap) with handbrushes.
- Measure fabric to specifications, cut uneven edges with shears, fold material, and press it with an iron to form a heading.
- Insert heated metal forms into ties and touch up rough places with hand irons.
- Brush materials made of suede, leather, or felt to remove spots or to raise and smooth naps.
- Sew ends of new material to leaders or to ends of material in pressing machines, using sewing machines.
- Select appropriate pressing machines, based on garment properties such as heat tolerance.
- Select, install, and adjust machine components, including pressing forms, rollers, and guides, using hoists and hand tools.
- Solder or weld frames of mallet instruments and metal drum parts.
- Solder posts and parts to hold them in their proper places.
- Test tubes and pickups in electronic amplifier units, and solder parts and connections as necessary.
- Play instruments to evaluate their sound quality and to locate any defects.
- Adjust string tensions to tune instruments, using hand tools and electronic tuning devices.
- Reassemble instruments following repair, using hand tools and power tools and glue, hair, yarn, resin, or clamps, and lubricate instruments as necessary.
- Disassemble instruments and parts for repair and adjustment.
- Repair or replace musical instrument parts and components, such as strings, bridges, felts, and keys, using hand and power tools.
- Inspect instruments to locate defects, and to determine their value or the level of restoration required.
- Compare instrument pitches with tuning tool pitches to tune instruments.
- String instruments, and adjust trusses and bridges of instruments to obtain specified string tensions and heights.
- Polish instruments, using rags and polishing compounds, buffing wheels, or burnishing tools.
- Repair cracks in wood or metal instruments, using pinning wire, lathes, fillers, clamps, or soldering irons.
- Mix and measure glue that will be used for instrument repair.
- Shape old parts and replacement parts to improve tone or intonation, using hand tools, lathes, or soldering irons.
- Refinish instruments to protect and decorate them, using hand tools, buffing tools, and varnish.
- Make wood replacement parts, using woodworking machines and hand tools.
- Align pads and keys on reed or wind instruments.
- Remove dents and burrs from metal instruments, using mallets and burnishing tools.
- Adjust felt hammers on pianos to increase tonal mellowness or brilliance, using sanding paddles, lacquer, or needles.
- Remove irregularities from tuning pins, strings, and hammers of pianos, using wood blocks or filing tools.
- Strike wood, fiberglass, or metal bars of instruments, and use tuned blocks, stroboscopes, or electronic tuners to evaluate tones made by instruments.
- Wash metal instruments in lacquer-stripping and cyanide solutions to remove lacquer and tarnish.
- Assemble and install new pipe organs and pianos in buildings.
- Refinish and polish piano cabinets or cases to prepare them for sale.
- Deliver pianos to purchasers or to locations of their use.
- Remove drumheads by removing tension rods with drum keys and cutting tools.
- Place rim hoops back onto drum shells to allow new drumheads to dry and become taut.
- Repair breaks in percussion instruments, such as drums and cymbals, using drill presses, power saws, glue, clamps, grinding wheels, or other hand tools.
- Cut new drumheads from animal skins, using scissors, and soak drumheads in water to make them pliable.
- Assemble bars onto percussion instruments.
- Stretch drumheads over rim hoops and tuck them around and under the hoops, using hand tucking tools.
- Cut out sections around cracks on percussion instruments to prevent cracks from advancing, using shears or grinding wheels.
- Clean, sand, and paint parts of percussion instruments to maintain their condition.
- File metal reeds until their pitches correspond with standard tuning bar pitches.
- Replace xylophone bars and wheels.
- Remove material from bars of percussion instruments to obtain specified tones, using bandsaws, sanding machines, machine grinders, or hand files and scrapers.
- Solder or weld frames of mallet instruments and metal drum parts.
- Solder posts and parts to hold them in their proper places.
- Test tubes and pickups in electronic amplifier units, and solder parts and connections as necessary.
- Assemble pattern sections, using hand tools, bolts, screws, rivets, glue, or welding equipment.
- Select pattern materials such as wood, resin, and fiberglass.
- Verify conformance of patterns or template dimensions to specifications, using measuring instruments such as calipers, scales, and micrometers.
- Set up and operate machine tools, such as milling machines, lathes, drill presses, and grinders, to machine castings or patterns.
- Repair and rework templates and patterns.
- Read and interpret blueprints or drawings of parts to be cast or patterns to be made, compute dimensions, and plan operational sequences.
- Construct platforms, fixtures, and jigs for holding and placing patterns.
- Clean and finish patterns or templates, using emery cloths, files, scrapers, and power grinders.
- Mark identification numbers or symbols onto patterns or templates.
- Program computerized numerical control machine tools.
- Create computer models of patterns or parts, using modeling software.
- Design and create templates, patterns, or coreboxes according to work orders, sample parts, or mockups.
- Lay out and draw or scribe patterns onto material, using compasses, protractors, rulers, scribes, or other instruments.
- Paint or lacquer patterns.
- Apply plastic-impregnated fabrics or coats of sealing wax or lacquer to patterns used to produce plastic.
- Assemble pattern sections, using hand tools, bolts, screws, rivets, glue, or welding equipment.
- Select pattern materials such as wood, resin, and fiberglass.
- Fit and assemble parts to make, repair, or modify dies, jigs, gauges, and tools, using machine tools, hand tools, or welders.
- Select metals to be used from a range of metals and alloys, based on properties such as hardness or heat tolerance.
- Verify dimensions, alignments, and clearances of finished parts for conformance to specifications, using measuring instruments such as calipers, gauge blocks, micrometers, or dial indicators.
- Set up and operate conventional or computer numerically controlled machine tools such as lathes, milling machines, or grinders to cut, bore, grind, or otherwise shape parts to prescribed dimensions and finishes.
- Visualize and compute dimensions, sizes, shapes, and tolerances of assemblies, based on specifications.
- Study blueprints, sketches, models, or specifications to plan sequences of operations for fabricating tools, dies, or assemblies.
- Inspect finished dies for smoothness, contour conformity, and defects.
- Lift, position, and secure machined parts on surface plates or worktables, using hoists, vises, v-blocks, or angle plates.
- File, grind, shim, and adjust different parts to properly fit them together.
- Smooth and polish flat and contoured surfaces of parts or tools, using scrapers, abrasive stones, files, emery cloths, or power grinders.
- Measure, mark, and scribe metal or plastic stock to lay out machining, using instruments such as protractors, micrometers, scribes, or rulers.
- Conduct test runs with completed tools or dies to ensure that parts meet specifications, making adjustments as necessary.
- Design jigs, fixtures, and templates for use as work aids in the fabrication of parts or products.
- Cut, shape, and trim blanks or blocks to specified lengths or shapes, using power saws, power shears, rules, and hand tools.
- Set up and operate drill presses to drill and tap holes in parts for assembly.
- Develop and design new tools and dies, using computer-aided design software.
- Set pyrometer controls of heat-treating furnaces and feed or place parts, tools, or assemblies into furnaces to harden.
- Fit and assemble parts to make, repair, or modify dies, jigs, gauges, and tools, using machine tools, hand tools, or welders.
- Select metals to be used from a range of metals and alloys, based on properties such as hardness or heat tolerance.
- Select lens blanks, molds, tools, and polishing or grinding wheels, according to production specifications.
- Repair broken parts, using precision hand tools and soldering irons.
- Mount and secure lens blanks or optical lenses in holding tools or chucks of cutting, polishing, grinding, or coating machines.
- Inspect lens blanks to detect flaws, verify smoothness of surface, and ensure thickness of coating on lenses.
- Set up machines to polish, bevel, edge, or grind lenses, flats, blanks, or other precision optical elements.
- Inspect, weigh, and measure mounted or unmounted lenses after completion to verify alignment and conformance to specifications, using precision instruments.
- Shape lenses appropriately so that they can be inserted into frames.
- Clean finished lenses and eyeglasses, using cloths and solvents.
- Mount, secure, and align finished lenses in frames or optical assemblies, using precision hand tools.
- Examine prescriptions, work orders, or broken or used eyeglasses to determine specifications for lenses, contact lenses, or other optical elements.
- Adjust lenses and frames to correct alignment.
- Position and adjust cutting tools to specified curvature, dimensions, and depth of cut.
- Assemble eyeglass frames and attach shields, nose pads, and temple pieces, using pliers, screwdrivers, and drills.
- Set dials and start machines to polish lenses or hold lenses against rotating wheels to polish them manually.
- Immerse eyeglass frames in solutions to harden, soften, or dye frames.
- Lay out lenses and trace lens outlines on glass, using templates.
- Control equipment that coats lenses to alter their reflective qualities.
- Remove lenses from molds and separate lenses in containers for further processing or storage.
- Select lens blanks, molds, tools, and polishing or grinding wheels, according to production specifications.
- Repair broken parts, using precision hand tools and soldering irons.
- Repair shop equipment, metal furniture, or hospital equipment, including welding broken parts or replacing missing parts, or bring item into local shop for major repairs.
- Solder loose connections, using soldering iron.
- Test or calibrate components or equipment, following manufacturers' manuals and troubleshooting techniques, using hand tools, power tools, or measuring devices.
- Perform preventive maintenance or service, such as cleaning, lubricating, or adjusting equipment.
- Inspect, test, or troubleshoot malfunctioning medical or related equipment, following manufacturers' specifications and using test and analysis instruments.
- Keep records of maintenance, repair, and required updates of equipment.
- Disassemble malfunctioning equipment and remove, repair, or replace defective parts, such as motors, clutches, or transformers.
- Examine medical equipment or facility's structural environment and check for proper use of equipment to protect patients and staff from electrical or mechanical hazards and to ensure compliance with safety regulations.
- Install medical equipment.
- Test, evaluate, and classify excess or in-use medical equipment and determine serviceability, condition, and disposition, in accordance with regulations.
- Plan and carry out work assignments, using blueprints, schematic drawings, technical manuals, wiring diagrams, or liquid or air flow sheets, following prescribed regulations, directives, or other instructions as required.
- Study technical manuals or attend training sessions provided by equipment manufacturers to maintain current knowledge.
- Explain or demonstrate correct operation or preventive maintenance of medical equipment to personnel.
- Research catalogs or repair part lists to locate sources for repair parts, requisitioning parts and recording their receipt.
- Compute power and space requirements for installing medical, dental, or related equipment and install units to manufacturers' specifications.
- Evaluate technical specifications to identify equipment or systems best suited for intended use and possible purchase, based on specifications, user needs, or technical requirements.
- Contribute expertise to develop medical maintenance standard operating procedures.
- Fabricate, dress down, or substitute parts or major new items to modify equipment to meet unique operational or research needs, working from job orders, sketches, modification orders, samples, or discussions with operating officials.
- Supervise or advise subordinate personnel.
- Make computations relating to load requirements of wiring or equipment, using algebraic expressions and standard formulas.
- Repair shop equipment, metal furniture, or hospital equipment, including welding broken parts or replacing missing parts, or bring item into local shop for major repairs.
- Solder loose connections, using soldering iron.
- Select, install, and adjust alignment of drills, cutters, dies, guides, and holding devices, using templates, measuring instruments, and hand tools.
- Select the proper coolants and lubricants and start their flow.
- Inspect workpieces for defects, and measure workpieces to determine accuracy of machine operation, using rules, templates, or other measuring instruments.
- Position, adjust, and secure stock material or workpieces against stops, on arbors, or in chucks, fixtures, or automatic feeding mechanisms, manually or using hoists.
- Read blueprints or job orders to determine product specifications and tooling instructions and to plan operational sequences.
- Observe machine operation to detect workpiece defects or machine malfunctions, adjusting machines as necessary.
- Set up and operate machines, such as lathes, cutters, shears, borers, millers, grinders, presses, drills, or auxiliary machines, to make metallic and plastic workpieces.
- Change worn machine accessories, such as cutting tools or brushes, using hand tools.
- Set machine stops or guides to specified lengths as indicated by scales, rules, or templates.
- Remove burrs, sharp edges, rust, or scale from workpieces, using files, hand grinders, wire brushes, or power tools.
- Perform minor machine maintenance, such as oiling or cleaning machines, dies, or workpieces, or adding coolant to machine reservoirs.
- Make minor electrical and mechanical repairs and adjustments to machines and notify supervisors when major service is required.
- Compute data, such as gear dimensions or machine settings, applying knowledge of shop mathematics.
- Start machines and turn handwheels or valves to engage feeding, cooling, and lubricating mechanisms.
- Move controls or mount gears, cams, or templates in machines to set feed rates and cutting speeds, depths, and angles.
- Instruct other workers in machine set-up and operation.
- Record operational data, such as pressure readings, lengths of strokes, feed rates, or speeds.
- Extract or lift jammed pieces from machines, using fingers, wire hooks, or lift bars.
- Measure and mark reference points and cutting lines on workpieces, using traced templates, compasses, and rules.
- Write programs for computer numerical control (CNC) machines to cut metal and plastic materials.
- Align layout marks with dies or blades.
- Select, install, and adjust alignment of drills, cutters, dies, guides, and holding devices, using templates, measuring instruments, and hand tools.
- Select the proper coolants and lubricants and start their flow.
- Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
- Secure stones in metal mountings, using solder.
- Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
- Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
- Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
- Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
- Identify and document stones' clarity characteristics, using plot diagrams.
- Advise customers and others on the best use of gems to create attractive jewelry items.
- Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
- Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Sort rough diamonds into categories based on shape, size, color, and quality.
- Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
- Locate and mark drilling or cutting positions on stones or dies, using diamond chips and power hand tools.
- Place stones in clamps on polishing machines and polish facets of stones, using felt-covered or canvas-covered polishing wheels and polishing compounds such as tripoli and rouge.
- Lap girdles on rough diamonds, using diamond girdling lathes.
- Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
- Split gems along pre-marked lines to remove imperfections, using blades and jewelers' hammers.
- Regulate the speed of revolutions and reciprocating actions of drilling mechanisms.
- Replace, true, and sharpen blades, drills, and plates.
- Dismantle lapping, boring, cutting, polishing, and shaping equipment and machinery to clean and lubricate it.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.
- Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
- Secure stones in metal mountings, using solder.
- Select knives, saws, blades, cutter heads, cams, bits, or belts, according to workpiece, machine functions, or product specifications.
- Determine product specifications and materials, work methods, and machine setup requirements, according to blueprints, oral or written instructions, drawings, or work orders.
- Set up, program, operate, or tend computerized or manual woodworking machines, such as drill presses, lathes, shapers, routers, sanders, planers, or wood-nailing machines.
- Examine finished workpieces for smoothness, shape, angle, depth-of-cut, or conformity to specifications and verify dimensions, visually and using hands, rules, calipers, templates, or gauges.
- Start machines, adjust controls, and make trial cuts to ensure that machinery is operating properly.
- Monitor operation of machines and make adjustments to correct problems and ensure conformance to specifications.
- Examine raw woodstock for defects and to ensure conformity to size and other specification standards.
- Adjust machine tables or cutting devices and set controls on machines to produce specified cuts or operations.
- Install and adjust blades, cutterheads, boring-bits, or sanding-belts, using hand tools and rules.
- Change alignment and adjustment of sanding, cutting, or boring machine guides to prevent defects in finished products, using hand tools.
- Feed stock through feed mechanisms or conveyors into planing, shaping, boring, mortising, or sanding machines to produce desired components.
- Push or hold workpieces against, under, or through cutting, boring, or shaping mechanisms.
- Remove and replace worn parts, bits, belts, sandpaper, or shaping tools.
- Secure woodstock against a guide or in a holding device, place woodstock on a conveyor, or dump woodstock in a hopper to feed woodstock into machines.
- Inspect and mark completed workpieces and stack them on pallets, in boxes, or on conveyors so that they can be moved to the next workstation.
- Inspect pulleys, drive belts, guards, or fences on machines to ensure that machines will operate safely.
- Clean or maintain products, machines, or work areas.
- Attach and adjust guides, stops, clamps, chucks, or feed mechanisms, using hand tools.
- Trim wood parts according to specifications, using planes, chisels, or wood files or sanders.
- Grease or oil woodworking machines.
- Unclamp workpieces and remove them from machines.
- Start machines and move levers to engage hydraulic lifts that press woodstocks into desired forms and disengage lifts after appropriate drying times.
- Operate gluing machines to glue pieces of wood together, or to press and affix wood veneer to wood surfaces.
- Set up, program, or control computer-aided design (CAD) or computer numerical control (CNC) machines.
- Control hoists to remove parts or products from work stations.
- Sharpen knives, bits, or other cutting or shaping tools.
- Select knives, saws, blades, cutter heads, cams, bits, or belts, according to workpiece, machine functions, or product specifications.
- Determine product specifications and materials, work methods, and machine setup requirements, according to blueprints, oral or written instructions, drawings, or work orders.
- Select and install blades, tools, or other attachments for each operation.
- Select coolants and lubricants, and start their flow.
- Measure and visually inspect products for surface and dimension defects to ensure conformance to specifications, using precision measuring instruments.
- Observe continuous operation of automatic machines to ensure that products meet specifications and to detect jams or malfunctions, making adjustments as necessary.
- Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.
- Turn valves and dials of machines to regulate pressure, temperature, and speed and feed rates, and to set cycle times.
- Read specifications, blueprints, and work orders to determine setups, temperatures, and time settings required to mold, form, or cast plastic materials, as well as to plan production sequences.
- Observe meters and gauges to verify and record temperatures, pressures, and press-cycle times.
- Connect water hoses to cooling systems of dies, using hand tools.
- Remove parts, such as dies, from machines after production runs are finished.
- Perform maintenance work such as cleaning and oiling machines.
- Smooth and clean inner surfaces of molds, using brushes, scrapers, air hoses, or grinding wheels, and fill imperfections with refractory material.
- Operate hoists to position dies or patterns on foundry floors.
- Cool products after processing to prevent distortion.
- Install dies onto machines or presses and coat dies with parting agents, according to work order specifications.
- Unload finished products from conveyor belts, pack them in containers, and place containers in warehouses.
- Remove finished or cured products from dies or molds, using hand tools, air hoses, and other equipment, stamping identifying information on products when necessary.
- Obtain and move specified patterns to work stations, manually or using hoists, and secure patterns to machines, using wrenches.
- Repair or replace damaged molds, pipes, belts, chains, or other equipment, using hand tools, hand-powered presses, or jib cranes.
- Inventory and record quantities of materials and finished products, requisitioning additional supplies as necessary.
- Adjust equipment and workpiece holding fixtures, such as mold frames, tubs, and cutting tables, to ensure proper functioning.
- Maintain inventories of materials.
- Position and secure workpieces on machines, and start feeding mechanisms.
- Trim excess material from parts, using knives, and grind scrap plastic into powder for reuse.
- Mix and measure compounds, or weigh premixed compounds, and dump them into machine tubs, cavities, or molds.
- Spray, smoke, or coat molds with compounds to lubricate or insulate molds, using acetylene torches or sprayers.
- Preheat tools, dies, plastic materials, or patterns, using blowtorches or other equipment.
- Pour or load metal or sand into melting pots, furnaces, molds, or hoppers, using shovels, ladles, or machines.
- Clamp metal and plywood strips around dies or patterns to form molds.
- Pull level and toggle latches to fill molds, to regulate tension on sheeting, and to release mold covers.
- Skim or pour dross, slag, or impurities from molten metal, using ladles, rakes, hoes, spatulas, or spoons.
- Shape molds to specified contours, using sand, and trowels and related tools.
- Assemble shell halves, patterns, and foundry flasks, and reinforce core boxes, using glue, clamps, wire, bolts, rams, or machines.
- Select and install blades, tools, or other attachments for each operation.
- Select coolants and lubricants, and start their flow.
- Select, align, and bolt positioning fixtures, stops, and specified dies to rams and anvils, forging rolls, or presses and hammers.
- Read work orders or blueprints to determine specified tolerances and sequences of operations for machine setup.
- Position and move metal wires or workpieces through a series of dies that compress and shape stock to form die impressions.
- Measure and inspect machined parts to ensure conformance to product specifications.
- Set up, operate, or tend presses and forging machines to perform hot or cold forging by flattening, straightening, bending, cutting, piercing, or other operations to taper, shape, or form metal.
- Turn handles or knobs to set pressures and depths of ram strokes and to synchronize machine operations.
- Install, adjust, and remove dies, synchronizing cams, forging hammers, and stop guides, using overhead cranes or other hoisting devices, and hand tools.
- Start machines to produce sample workpieces, and observe operations to detect machine malfunctions and to verify that machine setups conform to specifications.
- Confer with other workers about machine setups and operational specifications.
- Trim and compress finished forgings to specified tolerances.
- Remove dies from machines when production runs are finished.
- Repair, maintain, and replace parts on dies.
- Sharpen cutting tools and drill bits, using bench grinders.
- Select, align, and bolt positioning fixtures, stops, and specified dies to rams and anvils, forging rolls, or presses and hammers.
- Hammer out dents and bends in frames and weld tears and breaks.
- Mount, balance, change, or check condition or pressure of tires.
- Replace defective parts, using hand tools, arbor presses, flexible power presses, or power tools.
- Dismantle engines and repair or replace defective parts, such as magnetos, carburetors, or generators.
- Connect test panels to engines and measure generator output, ignition timing, or other engine performance indicators.
- Listen to engines, examine vehicle frames, or confer with customers to determine nature and extent of malfunction or damage.
- Repair or replace other parts, such as headlights, horns, handlebar controls, gasoline or oil tanks, starters, or mufflers.
- Disassemble subassembly units and examine condition, movement, or alignment of parts, visually or using gauges.
- Repair or adjust motorcycle subassemblies, such as forks, transmissions, brakes, or drive chains, according to specifications.
- Reassemble frames and reinstall engines after repairs.
- Remove cylinder heads and grind valves to scrape off carbon and replace defective valves, pistons, cylinders, or rings, using hand and power tools.
- Install motorcycle accessories.
- Reassemble and test subassembly units.
- Hammer out dents and bends in frames and weld tears and breaks.
- Drill and tap holes for rivets, and glue, weld, bolt, or rivet parts together to form prosthetic or orthotic devices.
- Read prescriptions or specifications to determine the type of product or device to be fabricated and the materials and tools required.
- Make orthotic or prosthetic devices, using materials such as thermoplastic and thermosetting materials, metal alloys and leather, and hand or power tools.
- Bend, form, and shape fabric or material to conform to prescribed contours of structural components.
- Construct or receive casts or impressions of patients' torsos or limbs for use as cutting and fabrication patterns.
- Repair, modify, or maintain medical supportive devices, such as artificial limbs, braces, or surgical supports, according to specifications.
- Cover or pad metal or plastic structures or devices, using coverings such as rubber, leather, felt, plastic, or fiberglass.
- Test medical supportive devices for proper alignment, movement, or biomechanical stability, using meters and alignment fixtures.
- Lay out and mark dimensions of parts, using templates and precision measuring instruments.
- Fit appliances onto patients, and make any necessary adjustments.
- Polish artificial limbs, braces, or supports, using grinding and buffing wheels.
- Take patients' body or limb measurements for use in device construction.
- Instruct patients in use of prosthetic or orthotic devices.
- Service or repair machinery used in the fabrication of appliances.
- Mix pigments to match patients' skin coloring, according to formulas, and apply mixtures to orthotic or prosthetic devices.
- Drill and tap holes for rivets, and glue, weld, bolt, or rivet parts together to form prosthetic or orthotic devices.
- Select and install cutting tools and other accessories according to specifications, using hand tools or power tools.
- Remove workpieces from machines, and check to ensure that they conform to specifications, using measuring instruments such as microscopes, gauges, calipers, and micrometers.
- Verify alignment of workpieces on machines, using measuring instruments such as rules, gauges, or calipers.
- Move controls to set cutting specifications, to position cutting tools and workpieces in relation to each other, and to start machines.
- Observe milling or planing machine operation, and adjust controls to ensure conformance with specified tolerances.
- Position and secure workpieces on machines, using holding devices, measuring instruments, hand tools, and hoists.
- Replace worn tools, using hand tools, and sharpen dull tools, using bench grinders.
- Study blueprints, layouts, sketches, or work orders to assess workpiece specifications and to determine tooling instructions, tools and materials needed, and sequences of operations.
- Compute dimensions, tolerances, and angles of workpieces or machines according to specifications and knowledge of metal properties and shop mathematics.
- Move cutters or material manually or by turning handwheels, or engage automatic feeding mechanisms to mill workpieces to specifications.
- Mount attachments and tools, such as pantographs, engravers, or routers, to perform other operations, such as drilling or boring.
- Select cutting speeds, feed rates, and depths of cuts, applying knowledge of metal properties and shop mathematics.
- Record production output.
- Turn valves or pull levers to start and regulate the flow of coolant or lubricant to work areas.
- Make templates or cutting tools.
- Select and install cutting tools and other accessories according to specifications, using hand tools or power tools.
- Weld broken or cracked frames together, using oxyacetylene torches and welding rods.
- Install and adjust brakes and brake pads.
- Help customers select bicycles that fit their body sizes and intended bicycle uses.
- Align wheels.
- Assemble new bicycles.
- Sell bicycles and accessories.
- Install, repair, and replace equipment or accessories, such as handlebars, stands, lights, and seats.
- Install new tires and tubes.
- Install and adjust speed and gear mechanisms.
- Clean and lubricate bicycle parts.
- Order bicycle parts.
- Disassemble axles to repair, adjust, and replace defective parts, using hand tools.
- Build wheels by cutting and threading new spokes.
- Shape replacement parts, using bench grinders.
- Repair holes in tire tubes, using scrapers and patches.
- Paint bicycle frames, using spray guns or brushes.
- Weld broken or cracked frames together, using oxyacetylene torches and welding rods.
- Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
- Write programs in the language of a machine's controller and store programs on media, such as punch tapes, magnetic tapes, or disks.
- Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.
- Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.
- Write instruction sheets and cutter lists for a machine's controller to guide setup and encode numerical control tapes.
- Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
- Enter computer commands to store or retrieve parts patterns, graphic displays, or programs that transfer data to other media.
- Modify existing programs to enhance efficiency.
- Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
- Sort shop orders into groups to maximize materials utilization and minimize machine setup time.
- Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
- Perform preventative maintenance or minor repairs on machines.
- Prepare geometric layouts from graphic displays, using computer-assisted drafting software or drafting instruments and graph paper.
- Draw machine tool paths on pattern film according to guidelines for tool speed and efficiency, using colored markers.
- Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.
- Align and secure pattern film on reference tables of optical programmers, and observe enlarger scope views of printed circuit boards.
- Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
- Design, weld, and fabricate parts, using blueprints or other mechanical plans.
- Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
- Examine and test machinery, equipment, components, and parts for defects to ensure proper functioning.
- Tend and observe equipment and machinery to verify efficient and safe operation.
- Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand or power tools.
- Clean or lubricate vehicles, machinery, equipment, instruments, tools, work areas, and other objects, using hand tools, power tools, and cleaning equipment.
- Diagnose electrical problems and install and rewire electrical components.
- Disassemble broken or defective equipment to facilitate repair and reassemble equipment when repairs are complete.
- Position vehicles, machinery, equipment, physical structures, and other objects for assembly or installation, using hand tools, power tools, and moving equipment.
- Transfer tools, parts, equipment, and supplies to and from work stations and other areas.
- Adjust, maintain, and repair tools, equipment, and machines, and assist more skilled workers with similar tasks.
- Order new parts to maintain inventory.
- Apply protective materials to equipment, components, and parts to prevent defects and corrosion.
- Assemble and maintain physical structures, using hand or power tools.
- Prepare work stations for use by mechanics and repairers.
- Hold or supply tools, parts, equipment, and supplies for other workers.
- Design, weld, and fabricate parts, using blueprints or other mechanical plans.
- Cut and weld metal to repair broken metal parts, fabricate new parts, or assemble new equipment.
- Repair or maintain the operating condition of industrial production or processing machinery or equipment.
- Repair or replace broken or malfunctioning components of machinery or equipment.
- Clean, lubricate, or adjust parts, equipment, or machinery.
- Disassemble machinery or equipment to remove parts and make repairs.
- Reassemble equipment after completion of inspections, testing, or repairs.
- Examine parts for defects, such as breakage or excessive wear.
- Record repairs and maintenance performed.
- Operate newly repaired machinery or equipment to verify the adequacy of repairs.
- Record parts or materials used and order or requisition new parts or materials, as necessary.
- Observe and test the operation of machinery or equipment to diagnose malfunctions, using voltmeters or other testing devices.
- Analyze test results, machine error messages, or information obtained from operators to diagnose equipment problems.
- Study blueprints or manufacturers' manuals to determine correct installation or operation of machinery.
- Enter codes and instructions to program computer-controlled machinery.
- Demonstrate equipment functions and features to machine operators.
- Assign schedules to work crews.
- Cut and weld metal to repair broken metal parts, fabricate new parts, or assemble new equipment.
- Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.
- Adjust machine controls and change tool settings to keep dimensions within specified tolerances.
- Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.
- Inspect sample workpieces to verify conformance with specifications, using instruments such as gauges, micrometers, and dial indicators.
- Start lathe or turning machines and observe operations to ensure that specifications are met.
- Position, secure, and align cutting tools in toolholders on machines, using hand tools, and verify their positions with measuring instruments.
- Crank machines through cycles, stopping to adjust tool positions and machine controls to ensure specified timing, clearances, and tolerances.
- Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences.
- Move controls to set cutting speeds and depths and feed rates, and to position tools in relation to workpieces.
- Refill, change, and monitor the level of fluids, such as oil and coolant, in machines.
- Install holding fixtures, cams, gears, and stops to control stock and tool movement, using hand tools, power tools, and measuring instruments.
- Compute unspecified dimensions and machine settings, using knowledge of metal properties and shop mathematics.
- Lift metal stock or workpieces manually or using hoists, and position and secure them in machines, using fasteners and hand tools.
- Move toolholders manually or by turning handwheels, or engage automatic feeding mechanisms to feed tools to and along workpieces.
- Turn valve handles to direct the flow of coolant onto work areas or to coat disks with spinning compounds.
- Mount attachments, such as relieving or tracing attachments, to perform operations, such as duplicating contours of templates or trimming workpieces.
- Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.
- Select chisels, pneumatic or surfacing tools, or sandblasting nozzles, and determine sequence of use.
- Verify depths and dimensions of cuts or carvings to ensure adherence to specifications, blueprints, or models, using measuring instruments.
- Move fingers over surfaces of carvings to ensure smoothness of finish.
- Shape, trim, or touch up roughed-out designs with appropriate tools to finish carvings.
- Lay out designs or dimensions from sketches or blueprints on stone surfaces, freehand or by transferring them from tracing paper, using scribes or chalk and measuring instruments.
- Cut, shape, and finish rough blocks of building or monumental stone, according to diagrams or patterns.
- Drill holes and cut or carve moldings and grooves in stone, according to diagrams and patterns.
- Study artistic objects or graphic materials, such as models, sketches, or blueprints, to plan carving or cutting techniques.
- Carve designs or figures in full or bas relief on stone, employing knowledge of stone carving techniques and sense of artistry to produce carvings consistent with designers' plans.
- Carve rough designs freehand or by chipping along marks on stone, using mallets and chisels or pneumatic tools.
- Guide nozzles over stone, following stencil outlines, or chip along marks to create designs or to work surfaces down to specified finishes.
- Smooth surfaces of carvings, using rubbing stones.
- Load sandblasting equipment with abrasives, attach nozzles to hoses, and turn valves to admit compressed air and activate jets.
- Dress stone surfaces, using bushhammers.
- Remove or add stencils during blasting to create differing cut depths, intricate designs, or rough, pitted finishes.
- Copy drawings on rough clay or plaster models.
- Select chisels, pneumatic or surfacing tools, or sandblasting nozzles, and determine sequence of use.
- Assemble electrical or electronic systems or support structures and install components, units, subassemblies, wiring, or assembly casings, using rivets, bolts, soldering or micro-welding equipment.
- Read and interpret schematic drawings, diagrams, blueprints, specifications, work orders, or reports to determine materials requirements or assembly instructions.
- Adjust, repair, or replace electrical or electronic components to correct defects and to ensure conformance to specifications.
- Position, align, or adjust workpieces or electrical parts to facilitate wiring or assembly.
- Explain assembly procedures or techniques to other workers.
- Clean parts, using cleaning solutions, air hoses, and cloths.
- Drill or tap holes in specified equipment locations to mount control units or to provide openings for elements, wiring, or instruments.
- Fabricate or form parts, coils, or structures according to specifications, using drills, calipers, cutters, or saws.
- Confer with supervisors or engineers to plan or review work activities or to resolve production problems.
- Inspect or test wiring installations, assemblies, or circuits for resistance factors or for operation, and record results.
- Mark and tag components so that stock inventory can be tracked and identified.
- Measure and adjust voltages to specified values to determine operational accuracy of instruments.
- Complete, review, or maintain production, time, or component waste reports.
- Distribute materials, supplies, or subassemblies to work areas.
- Pack finished assemblies for shipment, and transport them to storage areas, using hoists or handtrucks.
- Instruct customers in the installation, repair, or maintenance of products.
- Paint structures as specified, using paint sprayers.
- Assemble electrical or electronic systems or support structures and install components, units, subassemblies, wiring, or assembly casings, using rivets, bolts, soldering or micro-welding equipment.
- Select files or other abrasives, according to materials, sizes and shapes of workpieces, amount of stock to be removed, finishes specified, and steps in finishing processes.
- Verify quality of finished workpieces by inspecting them, comparing them to templates, measuring their dimensions, or testing them in working machinery.
- Grind, sand, clean, or polish objects or parts to correct defects or to prepare surfaces for further finishing, using hand tools and power tools.
- Measure and mark equipment, objects, or parts to ensure grinding and polishing standards are met.
- Trim, scrape, or deburr objects or parts, using chisels, scrapers, and other hand tools and equipment.
- Mark defects, such as knotholes, cracks, and splits, for repair.
- Study blueprints or layouts to determine how to lay out workpieces or saw out templates.
- Move controls to adjust, start, or stop equipment during grinding and polishing processes.
- Load and adjust workpieces onto equipment or work tables, using hand tools.
- Repair and maintain equipment, objects, or parts, using hand tools.
- File grooved, contoured, and irregular surfaces of metal objects, such as metalworking dies and machine parts, to conform to templates, other parts, layouts, or blueprint specifications.
- Sharpen abrasive grinding tools, using machines and hand tools.
- Transfer equipment, objects, or parts to specified work areas, using moving devices.
- Remove completed workpieces from equipment or work tables, using hand tools, and place workpieces in containers.
- Record product and processing data on specified forms.
- Apply solutions and chemicals to equipment, objects, or parts, using hand tools.
- Wash grit from stone, using hoses.
- Clean brass particles from files by drawing file cards through file grooves.
- Select files or other abrasives, according to materials, sizes and shapes of workpieces, amount of stock to be removed, finishes specified, and steps in finishing processes.
- Select machine tooling to be used, using knowledge of machine and production requirements.
- Inspect or measure finished workpieces to determine conformance to specifications, using measuring instruments, such as gauges or micrometers.
- Measure workpieces and lay out work, using precision measuring devices.
- Observe machine operations to detect any problems, making necessary adjustments to correct problems.
- Move machine controls to index workpieces, and to adjust machines for pre-selected operational settings.
- Study blueprints, work orders, or machining instructions to determine product specifications, tool requirements, and operational sequences.
- Mount and position tools in machine chucks, spindles, or other tool holding devices, using hand tools.
- Activate machine start-up switches to grind, lap, hone, debar, shear, or cut workpieces, according to specifications.
- Set up, operate, or tend grinding and related tools that remove excess material or burrs from surfaces, sharpen edges or corners, or buff, hone, or polish metal or plastic workpieces.
- Set and adjust machine controls according to product specifications, using knowledge of machine operation.
- Brush or spray lubricating compounds on workpieces, or turn valve handles and direct flow of coolant against tools and workpieces.
- Lift and position workpieces, manually or with hoists, and secure them in hoppers or on machine tables, faceplates, or chucks, using clamps.
- Repair or replace machine parts, using hand tools, or notify engineering personnel when corrective action is required.
- Compute machine indexings and settings for specified dimensions and base reference points.
- Maintain stocks of machine parts and machining tools.
- Thread and hand-feed materials through machine cutters or abraders.
- Adjust air cylinders and setting stops to set traverse lengths and feed arm strokes.
- Slide spacers between buffs on spindles to set spacing.
- Select machine tooling to be used, using knowledge of machine and production requirements.
- Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.
- Monitor machine cycles and mill operation to detect jamming and to ensure that products conform to specifications.
- Adjust and correct machine set-ups to reduce thicknesses, reshape products, and eliminate product defects.
- Start operation of rolling and milling machines to flatten, temper, form, and reduce sheet metal sections and to produce steel strips.
- Examine, inspect, and measure raw materials and finished products to verify conformance to specifications.
- Read rolling orders, blueprints, and mill schedules to determine setup specifications, work sequences, product dimensions, and installation procedures.
- Manipulate controls and observe dial indicators to monitor, adjust, and regulate speeds of machine mechanisms.
- Set distance points between rolls, guides, meters, and stops, according to specifications.
- Calculate draft space and roll speed for each mill stand to plan rolling sequences and specified dimensions and tempers.
- Install equipment such as guides, guards, gears, cooling equipment, and rolls, using hand tools.
- Position, align, and secure arbors, spindles, coils, mandrels, dies, and slitting knives.
- Fill oil cups, adjust valves, and observe gauges to control flow of metal coolants and lubricants onto workpieces.
- Activate shears and grinders to trim workpieces.
- Signal and assist other workers to remove and position equipment, fill hoppers, and feed materials into machines.
- Record mill production on schedule sheets.
- Direct and train other workers to change rolls, operate mill equipment, remove coils and cobbles, and band and load material.
- Thread or feed sheets or rods through rolling mechanisms, or start and control mechanisms that automatically feed steel into rollers.
- Remove scratches and polish roll surfaces, using polishing stones and electric buffers.
- Disassemble sizing mills removed from rolling lines, and sort and store parts.
- Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.
- Weld or solder broken parts and structural members, using electric or gas welders and soldering tools.
- Repair and replace damaged or worn parts.
- Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
- Operate and inspect machines or heavy equipment to diagnose defects.
- Read and understand operating manuals, blueprints, and technical drawings.
- Dismantle and reassemble heavy equipment using hoists and hand tools.
- Overhaul and test machines or equipment to ensure operating efficiency.
- Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes.
- Repair, rewire, and troubleshoot electrical systems.
- Diagnose faults or malfunctions to determine required repairs, using engine diagnostic equipment such as computerized test equipment and calibration devices.
- Examine parts for damage or excessive wear, using micrometers and gauges.
- Research, order, and maintain parts inventory for services and repairs.
- Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment.
- Schedule maintenance for industrial machines and equipment, and keep equipment service records.
- Clean, lubricate, and perform other routine maintenance work on equipment and vehicles.
- Assemble gear systems, and align frames and gears.
- Clean parts by spraying them with grease solvent or immersing them in tanks of solvent.
- Adjust and maintain industrial machinery, using control and regulating devices.
- Fabricate needed parts or items from sheet metal.
- Direct workers who are assembling or disassembling equipment or cleaning parts.
- Weld or solder broken parts and structural members, using electric or gas welders and soldering tools.
- Connect metal parts or components in hydroelectric plants by welding, soldering, riveting, tapping, bolting, bonding, or screwing.
- Operate high voltage switches or related devices in hydropower stations.
- Identify or address malfunctions of hydroelectric plant operational equipment, such as generators, transformers, or turbines.
- Inspect water-powered electric generators or auxiliary equipment in hydroelectric plants to verify proper operation or to determine maintenance or repair needs.
- Implement load or switching orders in hydroelectric plants, in accordance with specifications or instructions.
- Start, adjust, or stop generating units, operating valves, gates, or auxiliary equipment in hydroelectric power generating plants.
- Perform preventive or corrective containment or cleanup measures in hydroelectric plants to prevent environmental contamination.
- Maintain or repair hydroelectric plant electrical, mechanical, or electronic equipment, such as motors, transformers, voltage regulators, generators, relays, battery systems, air compressors, sump pumps, gates, or valves.
- Operate hydroelectric plant equipment, such as turbines, pumps, valves, gates, fans, electric control boards, or battery banks.
- Communicate status of hydroelectric operating equipment to dispatchers or supervisors.
- Monitor hydroelectric power plant equipment operation and performance, adjusting to performance specifications, as necessary.
- Take readings and record data, such as water levels, temperatures, or flow rates.
- Install or calibrate electrical or mechanical equipment, such as motors, engines, switchboards, relays, switch gears, meters, pumps, hydraulics, or flood channels.
- Lift and move loads, using cranes, hoists, and rigging, to install or repair hydroelectric system equipment or infrastructure.
- Maintain logs, reports, work requests, or other records of work performed in hydroelectric plants.
- Change oil, hydraulic fluid, or other lubricants to maintain condition of hydroelectric plant equipment.
- Perform tunnel or field inspections of hydroelectric plant facilities or resources.
- Erect scaffolds, platforms, or hoisting frames to access hydroelectric plant machinery or infrastructure for repair or replacement.
- Cut, bend, or shape metal for applications in hydroelectric plants, using equipment such as hydraulic benders or pipe threaders.
- Splice or terminate cables or electrical wiring in hydroelectric plants.
- Test and repair or replace electrical equipment, such as circuit breakers, station batteries, cable trays, conduits, or control devices.
- Connect metal parts or components in hydroelectric plants by welding, soldering, riveting, tapping, bolting, bonding, or screwing.
- Perform skilled repair or maintenance operations, using equipment such as hand or power tools, hydraulic presses or shears, or welding equipment.
- Inspect, test, and measure completed work, using devices such as hand tools or gauges to verify conformance to standards or repair requirements.
- Inspect and monitor work areas, examine tools and equipment, and provide employee safety training to prevent, detect, and correct unsafe conditions or violations of procedures and safety rules.
- Interpret specifications, blueprints, or job orders to construct templates and lay out reference points for workers.
- Monitor employees' work levels and review work performance.
- Compute estimates and actual costs of factors such as materials, labor, or outside contractors.
- Monitor tool and part inventories and the condition and maintenance of shops to ensure adequate working conditions.
- Requisition materials and supplies, such as tools, equipment, or replacement parts.
- Confer with personnel, such as management, engineering, quality control, customer, or union workers' representatives, to coordinate work activities, resolve employee grievances, or identify and review resource needs.
- Determine schedules, sequences, and assignments for work activities, based on work priority, quantity of equipment, and skill of personnel.
- Examine objects, systems, or facilities and analyze information to determine needed installations, services, or repairs.
- Counsel employees about work-related issues and assist employees to correct job-skill deficiencies.
- Recommend or initiate personnel actions, such as hires, promotions, transfers, discharges, or disciplinary measures.
- Investigate accidents or injuries and prepare reports of findings.
- Conduct or arrange for worker training in safety, repair, or maintenance techniques, operational procedures, or equipment use.
- Develop, implement, or evaluate maintenance policies and procedures.
- Meet with vendors or suppliers to discuss products used in repair work.
- Participate in budget preparation and administration, coordinating purchasing and documentation and monitoring departmental expenditures.
- Review, evaluate, accept, and coordinate completion of work bid from contractors.
- Compile operational or personnel records, such as time and production records, inventory data, repair or maintenance statistics, or test results.
- Develop or implement electronic maintenance programs or computer information management systems.
- Design equipment configurations to meet personnel needs.
- Perform skilled repair or maintenance operations, using equipment such as hand or power tools, hydraulic presses or shears, or welding equipment.
- Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
- Monitor and adjust operations of geothermal power plant equipment or systems.
- Prepare and maintain logs, reports, or other documentation of work performed.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
- Collect and record data associated with operating geothermal power plants or well fields.
- Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.
- Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.
- Identify equipment options, such as compressors, and make appropriate selections.
- Adjust power production systems to meet load and distribution demands.
- Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.
- Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.
- Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.
- Install and maintain geothermal plant electrical protection equipment.
- Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.
- Install and maintain geothermal system instrumentation or controls.
- Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.
- Test water sources for factors, such as flow volume and contaminant presence.
- Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.
- Integrate hot water heater systems with geothermal heat exchange systems.
- Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.
- Backfill piping trenches to protect pipes from damage.
- Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).
- Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
- Select saw blades, types or grades of stock, or cutting procedures to be used, according to work orders or supervisors' instructions.
- Inspect and measure workpieces to mark for cuts and to verify the accuracy of cuts, using rulers, squares, or caliper rules.
- Adjust saw blades, using wrenches and rulers, or by turning handwheels or pressing pedals, levers, or panel buttons.
- Mount and bolt sawing blades or attachments to machine shafts.
- Set up, operate, or tend saws or machines that cut or trim wood to specified dimensions, such as circular saws, band saws, multiple-blade sawing machines, scroll saws, ripsaws, or crozer machines.
- Inspect stock for imperfections or to estimate grades or qualities of stock or workpieces.
- Monitor sawing machines, adjusting speed and tension and clearing jams to ensure proper operation.
- Sharpen blades, or replace defective or worn blades or bands, using hand tools.
- Guide workpieces against saws, saw over workpieces by hand, or operate automatic feeding devices to guide cuts.
- Clear machine jams, using hand tools.
- Lubricate or clean machines, using wrenches, grease guns, or solvents.
- Adjust bolts, clamps, stops, guides, or table angles or heights, using hand tools.
- Examine logs or lumber to plan the best cuts.
- Trim lumber to straighten rough edges or remove defects, using circular saws.
- Count, sort, or stack finished workpieces.
- Position and clamp stock on tables, conveyors, or carriages, using hoists, guides, stops, dogs, wedges, or wrenches.
- Measure and mark stock for cuts.
- Operate panelboards of saw or conveyor systems to move stock through processes or to cut stock to specified dimensions.
- Examine blueprints, drawings, work orders, or patterns to determine equipment set-up or selection details, procedures to be used, or dimensions of final products.
- Pull tables back against stops and depress pedals to advance cutterheads that shape stock ends.
- Cut grooves, bevels, or miters, saw curved or irregular designs, and sever or shape metals, according to specifications or work orders.
- Unclamp and remove finished workpieces from tables.
- Dispose of waste material after completing work assignments.
- Unload and roll logs from trucks to sawmill decks or to carriages, or move logs in ponds, using pike poles.
- Select saw blades, types or grades of stock, or cutting procedures to be used, according to work orders or supervisors' instructions.
- Attach ampoule to diffusion pump to remove air from ampoule, and seal ampoule, using blowtorch.
- Manipulate valves, switches, and buttons, or key commands into control panels to start semiconductor processing cycles.
- Maintain processing, production, and inspection information and reports.
- Inspect materials, components, or products for surface defects and measure circuitry, using electronic test equipment, precision measuring instruments, microscope, and standard procedures.
- Clean semiconductor wafers using cleaning equipment, such as chemical baths, automatic wafer cleaners, or blow-off wands.
- Study work orders, instructions, formulas, and processing charts to determine specifications and sequence of operations.
- Load and unload equipment chambers and transport finished product to storage or to area for further processing.
- Clean and maintain equipment, including replacing etching and rinsing solutions and cleaning bath containers and work area.
- Place semiconductor wafers in processing containers or equipment holders, using vacuum wand or tweezers.
- Set, adjust, and readjust computerized or mechanical equipment controls to regulate power level, temperature, vacuum, and rotation speed of furnace, according to crystal growing specifications.
- Etch, lap, polish, or grind wafers or ingots to form circuitry and change conductive properties, using etching, lapping, polishing, or grinding equipment.
- Load semiconductor material into furnace.
- Monitor operation and adjust controls of processing machines and equipment to produce compositions with specific electronic properties, using computer terminals.
- Count, sort, and weigh processed items.
- Calculate etching time based on thickness of material to be removed from wafers or crystals.
- Inspect equipment for leaks, diagnose malfunctions, and request repairs.
- Align photo mask pattern on photoresist layer, expose pattern to ultraviolet light, and develop pattern, using specialized equipment.
- Stamp, etch, or scribe identifying information on finished component according to specifications.
- Operate saw to cut remelt into sections of specified size or to cut ingots into wafers.
- Scribe or separate wafers into dice.
- Connect reactor to computer, using hand tools and power tools.
- Mount crystal ingots or wafers on blocks or plastic laminate, using special mounting devices, to facilitate their positioning in the holding fixtures of sawing, drilling, grinding or sanding equipment.
- Measure and weigh amounts of crystal growing materials, mix and grind materials, load materials into container, and monitor processing procedures to help identify crystal growing problems.
- Locate crystal axis of ingot, and draw orientation lines on ingot, using x-ray equipment, drill, and sanding machine.
- Attach ampoule to diffusion pump to remove air from ampoule, and seal ampoule, using blowtorch.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- File, grind, sand, and smooth filled or repaired surfaces, using power tools and hand tools.
- Inspect repaired vehicles for proper functioning, completion of work, dimensional accuracy, and overall appearance of paint job, and test-drive vehicles to ensure proper alignment and handling.
- Prime and paint repaired surfaces, using paint sprayguns and motorized sanders.
- Follow supervisors' instructions as to which parts to restore or replace and how much time the job should take.
- Sand body areas to be painted and cover bumpers, windows, and trim with masking tape or paper to protect them from the paint.
- Chain or clamp frames and sections to alignment machines that use hydraulic pressure to align damaged components.
- Position dolly blocks against surfaces of dented areas and beat opposite surfaces to remove dents, using hammers.
- Cut and tape plastic separating film to outside repair areas to avoid damaging surrounding surfaces during repair procedure and remove tape and wash surfaces after repairs are complete.
- Review damage reports, prepare or review repair cost estimates, and plan work to be performed.
- Fill small dents that cannot be worked out with plastic or solder.
- Remove damaged sections of vehicles using metal-cutting guns, air grinders and wrenches, and install replacement parts using wrenches or welding equipment.
- Remove small pits and dimples in body metal, using pick hammers and punches.
- Remove upholstery, accessories, electrical window-and-seat-operating equipment, and trim to gain access to vehicle bodies and fenders.
- Mix polyester resins and hardeners to be used in restoring damaged areas.
- Fit and secure windows, vinyl roofs, and metal trim to vehicle bodies, using caulking guns, adhesive brushes, and mallets.
- Adjust or align headlights, wheels, and brake systems.
- Replace damaged glass on vehicles.
- Remove damaged panels, and identify the family and properties of the plastic used on a vehicle.
- Apply heat to plastic panels, using hot-air welding guns or immersion in hot water, and press the softened panels back into shape by hand.
- Clean work areas, using air hoses, to remove damaged material and discarded fiberglass strips used in repair procedures.
- Soak fiberglass matting in resin mixtures and apply layers of matting over repair areas to specified thicknesses.
- Read specifications or confer with customers to determine the desired custom modifications for altering the appearance of vehicles.
- Cut openings in vehicle bodies for the installation of customized windows, using templates and power shears or chisels.
- Measure and mark vinyl material and cut material to size for roof installation, using rules, straightedges, and hand shears.
- Fit and weld replacement parts into place, using wrenches and welding equipment, and grind down welds to smooth them, using power grinders and other tools.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
- Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Descend into water with the aid of diver helpers, using scuba gear or diving suits.
- Obtain information about diving tasks and environmental conditions.
- Supervise or train other divers, including hobby divers.
- Inspect the condition of underwater steel or wood structures.
- Inspect and test docks, ships, buoyage systems, plant intakes or outflows, or underwater pipelines, cables, or sewers, using closed circuit television, still photography, and testing equipment.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
- Take test samples or photographs to assess the condition of vessels or structures.
- Install, inspect, clean, or repair piping or valves.
- Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
- Install pilings or footings for piers or bridges.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
- Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
- Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
- Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Drill holes in rock and rig explosives for underwater demolitions.
- Remove rubbish or pollution from the sea.
- Set up dive sites for recreational instruction.
- Cultivate or harvest marine species or perform routine work on fish farms.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Select proper types of plates according to press run lengths.
- Generate prepress proofs in digital or other format to approximate the appearance of the final printed piece.
- Proofread and perform quality control of text and images.
- Enter, position, and alter text size, using computers, to make up and arrange pages so that printed materials can be produced.
- Perform "preflight" check of required font, graphic, text and image files to ensure completeness prior to delivery to printer.
- Operate and maintain laser plate-making equipment that converts electronic data to plates without the use of film.
- Enter, store, and retrieve information on computer-aided equipment.
- Maintain, adjust, and clean equipment, and perform minor repairs.
- Operate presses to print proofs of plates, monitoring printing quality to ensure that it is adequate.
- Examine finished plates to detect flaws, verify conformity with master plates, and measure dot sizes and centers, using light boxes and microscopes.
- Punch holes in light-sensitive plates and insert pins in holes to prepare plates for contact with positive or negative film.
- Examine unexposed photographic plates to detect flaws or foreign particles prior to printing.
- Examine photographic images for obvious imperfections prior to plate making.
- Arrange and mount typeset material and illustrations into paste-ups for printing reproduction, based on artists' or editors' layouts.
- Operate and maintain a variety of cameras and equipment, such as process, line, halftone, and color separation cameras, enlargers, electronic scanners, and contact equipment.
- Scale copy for reductions and enlargements, using proportion wheels.
- Perform tests to determine lengths of exposures, by exposing plates, scanning line copy, and comparing exposures to tone range scales.
- Mix solutions such as developing solutions and colored coating solutions.
- Analyze originals to evaluate color density, gradation highlights, middle tones, and shadows, using densitometers and knowledge of light and color.
- Activate scanners to produce positive or negative films for the black-and-white, cyan, yellow, and magenta separations from each original copy.
- Set scanners to specific color densities, sizes, screen rulings, and exposure adjustments, using scanner keyboards or computers.
- Perform minor deletions, additions, or corrections to completed plates, on or off printing presses, using tusche, printing ink, erasers, and needles.
- Inspect developed film for specified results and quality, using magnifying glasses and scopes, forwarding acceptable negatives or positives to other workers or to customers.
- Perform close alignment or registration of double and single flats to sensitized plates prior to exposure to produce composite images.
- Mount negatives and plates in cameras, set exposure controls, and expose plates to light through negatives to transfer images onto plates.
- Select proper types of plates according to press run lengths.
- Select sizes and types of molds according to instructions.
- Read work orders or examine parts to determine parts or sections of products to be produced.
- Trim or remove excess material, using scrapers, knives, or band saws.
- Brush or spray mold surfaces with parting agents or insert paper into molds to ensure smoothness and prevent sticking or seepage.
- Engrave or stamp identifying symbols, letters, or numbers on products.
- Assemble, insert, and adjust wires, tubes, cores, fittings, rods, or patterns into molds, using hand tools and depth gauges.
- Clean, finish, and lubricate molds and mold parts.
- Separate models or patterns from molds and examine products for accuracy.
- Set the proper operating temperature for each casting.
- Load or stack filled molds in ovens, dryers, or curing boxes, or on storage racks or carts.
- Align and assemble parts to produce completed products, using gauges and hand tools.
- Operate and adjust controls of heating equipment to melt material or to cure, dry, or bake filled molds.
- Patch broken edges or fractures, using clay or plaster.
- Withdraw cores or other loose mold members after castings solidify.
- Repair mold defects, such as cracks or broken edges, using patterns, mold boxes, or hand tools.
- Measure and cut products to specified dimensions, using measuring and cutting instruments.
- Smooth surfaces of molds, using scraping tools or sandpaper.
- Measure ingredients and mix molding, casting material, or sealing compounds to prescribed consistencies, according to formulas.
- Remove excess materials and level and smooth wet mold mixtures.
- Operate molding machines that compact sand in flasks to form molds.
- Place forms around models and separately immerse each half portion of a model in plaster, wax, or other mold-making materials.
- Verify dimensions of products, using measuring instruments, such as calipers, vernier gauges, or protractors.
- Bore holes or cut grates, risers, or pouring spouts in molds, using power tools.
- Locate and scribe parting lines on patterns, using measuring instruments, such as calipers, squares, or depth gauges.
- Tap or tilt molds to ensure uniform distribution of materials.
- Construct or form molds for use in casting clay or plaster objects, using plaster, fiberglass, rubber, casting machines, patterns, or flasks.
- Pour, pack, spread, or press plaster, concrete, or other materials into or around models or molds.
- Select sizes and types of molds according to instructions.
- Select and install machine components, such as cutting blades, rollers, and templates, according to specifications, using hand tools.
- Set up, operate, or tend machines that cut or slice materials, such as glass, stone, cork, rubber, tobacco, food, paper, or insulating material.
- Review work orders, blueprints, specifications, or job samples to determine components, settings, and adjustments for cutting and slicing machines.
- Examine, measure, and weigh materials or products to verify conformance to specifications, using measuring devices, such as rulers, micrometers, or scales.
- Press buttons, pull levers, or depress pedals to start and operate cutting and slicing machines.
- Start machines to verify setups, and make any necessary adjustments.
- Feed stock into cutting machines, onto conveyors, or under cutting blades, by threading, guiding, pushing, or turning handwheels.
- Monitor operation of cutting or slicing machines to detect malfunctions or to determine whether supplies need replenishment.
- Stack and sort cut material for packaging, further processing, or shipping, according to types and sizes of material.
- Adjust machine controls to alter position, alignment, speed, or pressure.
- Remove completed materials or products from cutting or slicing machines, and stack or store them for additional processing.
- Maintain production records, such as quantities, types, and dimensions of materials produced.
- Remove defective or substandard materials from machines, and readjust machine components so that products meet standards.
- Position stock along cutting lines, or against stops on beds of scoring or cutting machines.
- Move stock or scrap to and from machines manually, or by using carts, handtrucks, or lift trucks.
- Clean and lubricate cutting machines, conveyors, blades, saws, or knives, using steam hoses, scrapers, brushes, or oil cans.
- Operate cranes, or signal crane operators to position or remove stone from cars or saw beds.
- Mark cutting lines or identifying information on stock, using marking pencils, rulers, or scribes.
- Start pumps to circulate water and abrasives onto blades or cables during cutting.
- Type instructions on computer keyboards, push buttons to activate computer programs, or manually set cutting guides, clamps, and knives.
- Change or replace saw blades, cables, cutter heads, and grinding wheels, using hand tools.
- Position width gauge blocks between blades, and level blades and insert wedges into frames to secure blades to frames.
- Direct workers on cutting teams.
- Sharpen cutting blades, knives, or saws, using files, bench grinders, or honing stones.
- Turn cranks or press buttons to activate winches that move cars under sawing cables or saw frames.
- Tighten pulleys or add abrasives to maintain cutting speeds.
- Cut stock manually to prepare for machine cutting, using tools such as knives, cleavers, handsaws, or hammers and chisels.
- Wash stones, using water hoses.
- Select and install machine components, such as cutting blades, rollers, and templates, according to specifications, using hand tools.
- Select and install machine components, such as dies, molds, and cutters, according to specifications, using hand tools and measuring devices.
- Adjust machine components to regulate speeds, pressures, and temperatures, and amounts, dimensions, and flow of materials or ingredients.
- Press control buttons to activate machinery and equipment.
- Examine, measure, and weigh materials or products to verify conformance to standards, using measuring devices such as templates, micrometers, or scales.
- Monitor machine operations and observe lights and gauges to detect malfunctions.
- Clear jams, and remove defective or substandard materials or products.
- Notify supervisors when extruded filaments fail to meet standards.
- Record and maintain production data, such as meter readings, and quantities, types, and dimensions of materials produced.
- Review work orders, specifications, or instructions to determine materials, ingredients, procedures, components, settings, and adjustments for extruding, forming, pressing, or compacting machines.
- Turn controls to adjust machine functions, such as regulating air pressure, creating vacuums, and adjusting coolant flow.
- Clean dies, arbors, compression chambers, and molds, using swabs, sponges, or air hoses.
- Synchronize speeds of sections of machines when producing products involving several steps or processes.
- Move materials, supplies, components, and finished products between storage and work areas, using work aids such as racks, hoists, and handtrucks.
- Activate machines to shape or form products, such as candy bars, light bulbs, balloons, or insulation panels.
- Send product samples to laboratories for analysis.
- Couple air and gas lines to machines to maintain plasticity of material and to regulate solidification of final products.
- Pour, scoop, or dump specified ingredients, metal assemblies, or mixtures into sections of machine prior to starting machines.
- Measure, mix, cut, shape, soften, and join materials and ingredients, such as powder, cornmeal, or rubber to prepare them for machine processing.
- Remove materials or products from molds or from extruding, forming, pressing, or compacting machines, and stack or store them for additional processing.
- Feed products into machines by hand or conveyor.
- Measure arbors and dies to verify sizes specified on work tickets.
- Thread extruded strips through water tanks and hold-down bars, or attach strands to wires and draw them through tubes.
- Complete work tickets, and place them with products.
- Disassemble equipment to repair it or to replace parts, such as nozzles, punches, and filters.
- Remove molds, mold components, and feeder tubes from machinery after production is complete.
- Swab molds with solutions to prevent products from sticking.
- Ignite burners to preheat products, or use torches to apply heat.
- Install, align, and adjust neck rings, press plungers, and feeder tubes.
- Select and install machine components, such as dies, molds, and cutters, according to specifications, using hand tools and measuring devices.
- Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment.
- Calculate dimensions or tolerances, using instruments, such as micrometers or vernier calipers.
- Machine parts to specifications, using machine tools, such as lathes, milling machines, shapers, or grinders.
- Measure, examine, or test completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers.
- Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations.
- Program computers or electronic instruments, such as numerically controlled machine tools.
- Study sample parts, blueprints, drawings, or engineering information to determine methods or sequences of operations needed to fabricate products.
- Monitor the feed and speed of machines during the machining process.
- Maintain machine tools in proper operational condition.
- Fit and assemble parts to make or repair machine tools.
- Align and secure holding fixtures, cutting tools, attachments, accessories, or materials onto machines.
- Confer with numerical control programmers to check and ensure that new programs or machinery will function properly and that output will meet specifications.
- Operate equipment to verify operational efficiency.
- Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability.
- Diagnose machine tool malfunctions to determine need for adjustments or repairs.
- Design fixtures, tooling, or experimental parts to meet special engineering needs.
- Dispose of scrap or waste material in accordance with company policies and environmental regulations.
- Confer with engineering, supervisory, or manufacturing personnel to exchange technical information.
- Lay out, measure, and mark metal stock to display placement of cuts.
- Separate scrap waste and related materials for reuse, recycling, or disposal.
- Check work pieces to ensure that they are properly lubricated or cooled.
- Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties, and mathematics.
- Install repaired parts into equipment or install new equipment.
- Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed.
- Test experimental models under simulated operating conditions, for purposes such as development, standardization, or feasibility of design.
- Prepare working sketches for the illustration of product appearance.
- Establish work procedures for fabricating new structural products, using a variety of metalworking machines.
- Install experimental parts or assemblies, such as hydraulic systems, electrical wiring, lubricants, or batteries into machines or mechanisms.
- Advise clients about the materials being used for finished products.
- Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment.
- Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment.
- Assemble parts, fittings, or subassemblies on aircraft, using layout tools, hand tools, power tools, or fasteners, such as bolts, screws, rivets, or clamps.
- Read blueprints, illustrations, or specifications to determine layouts, sequences of operations, or identities or relationships of parts.
- Attach brackets, hinges, or clips to secure or support components or subassemblies, using bolts, screws, rivets, chemical bonding, or welding.
- Inspect or test installed units, parts, systems, or assemblies for fit, alignment, performance, defects, or compliance with standards, using measuring instruments or test equipment.
- Adjust, repair, rework, or replace parts or assemblies to ensure proper operation.
- Cut, trim, file, bend, or smooth parts to ensure proper fit and clearance.
- Fabricate parts needed for assembly or installation, using shop machinery or equipment.
- Layout and mark reference points and locations for installation of parts or components, using jigs, templates, or measuring and marking instruments.
- Clean, oil, or coat system components, as necessary, before assembly or attachment.
- Assemble prefabricated parts to form subassemblies.
- Set, align, adjust, or synchronize aircraft armament or rigging or control system components to established tolerances or requirements, using sighting devices and hand tools.
- Join structural assemblies, such as wings, tails, or fuselage.
- Position and align subassemblies in jigs or fixtures, using measuring instruments and following blueprint lines and index points.
- Assemble prototypes or integrated-technology demonstrators of new or emerging environmental technologies for aircraft.
- Swage fittings onto cables, using swaging machines.
- Manually install structural assemblies or signal crane operators to position assemblies for joining.
- Align, fit, assemble, connect, or install system components, using jigs, fixtures, measuring instruments, hand tools, or power tools.
- Set up or operate machines or systems to crimp, cut, bend, form, swage, flare, bead, burr, or straighten tubing, according to specifications.
- Place and connect control cables to electronically controlled units, using hand tools, ring locks, cotter keys, threaded connectors, turnbuckles, or related devices.
- Install mechanical linkages and actuators, using tensiometers to verify tension of cables.
- Clean aircraft structures, parts, or components, using aqueous, semi-aqueous, aliphatic hydrocarbon, or organic solvent cleaning products or techniques to reduce carbon or other harmful emissions.
- Install accessories in swaging machines, using hand tools.
- Mark identifying information on tubing or cable assemblies, using etching devices, labels, rubber stamps, or other methods.
- Verify dimensions of cable assemblies or positions of fittings, using measuring instruments.
- Splice cables, using clamps and fittings, or reweave cable strands.
- Fit and fasten sheet metal coverings to surface areas or other sections of aircraft prior to welding or riveting.
- Capture or segregate waste material, such as aluminum swarf, machine cutting fluid, or solvents, for recycling or environmentally responsible disposal.
- Cut cables and tubing, using master templates, measuring instruments, and cable cutters or saws.
- Monitor robotic assembly equipment, such as snake-arm robots, used to assemble, seal, or swage aircraft structures.
- Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment.
- Select and insert required templates into pattern frames beneath the stylus of a machine cutting tool or router.
- Inspect etched work for depth of etching, uniformity, and defects, using calibrated microscopes, gauges, fingers, or magnifying lenses.
- Examine sketches, diagrams, samples, blueprints, or photographs to decide how designs are to be etched, cut, or engraved onto workpieces.
- Clean and polish engraved areas.
- Prepare workpieces for etching or engraving by cutting, sanding, cleaning, polishing, or treating them with wax, acid resist, lime, etching powder, or light-sensitive enamel.
- Engrave and print patterns, designs, etchings, trademarks, or lettering onto flat or curved surfaces of a wide variety of metal, glass, plastic, or paper items, using hand tools or hand-held power tools.
- Prepare etching chemicals according to formulas, diluting acid with water to obtain solutions of specified concentration.
- Use computer software to design patterns for engraving.
- Expose workpieces to acid to develop etch patterns such as designs, lettering, or figures.
- Adjust depths and sizes of cuts by adjusting heights of worktables, or by adjusting machine-arm gauges.
- Cut outlines of impressions with gravers, and remove excess material with knives.
- Measure and compute dimensions of lettering, designs, or patterns to be engraved.
- Neutralize workpieces to remove acid, wax, or enamel, using water, solvents, brushes, or specialized machines.
- Examine engraving for quality of cut, burrs, rough spots, and irregular or incomplete engraving.
- Transfer image to workpiece, using contact printer, pantograph stylus, silkscreen printing device, or stamp pad.
- Set reduction scales to attain specified sizes of reproduction on workpieces, and set pantograph controls for required heights, depths, and widths of cuts.
- Print proofs or examine designs to verify accuracy of engraving, and rework engraving as required.
- Position and clamp workpieces, plates, or rollers in holding fixtures.
- Remove wax or tape from etched glassware by using a stylus or knife, or by immersing ware in hot water.
- Guide stylus over template, causing cutting tool to duplicate design or letters on workpiece.
- Start machines and lower cutting tools to beginning points on patterns.
- Determine machine settings, and move bars or levers to reproduce designs on rollers or plates.
- Remove completed workpieces and place them in trays.
- Insert cutting tools or bits into machines and secure them with wrenches.
- Sandblast exposed areas of glass to cut designs in surfaces, using spray guns.
- Sketch, trace, or scribe layout lines and designs on workpieces, plates, dies, or rollers, using compasses, scribers, gravers, or pencils.
- Fill etched characters with opaque paste to improve readability.
- Brush or wipe acid over engraving to darken or highlight inscriptions.
- Observe actions of cutting tools through microscopes and adjust stylus movement to ensure accurate reproduction.
- Carve designs and letters onto metal for transfer to other surfaces.
- Select and insert required templates into pattern frames beneath the stylus of a machine cutting tool or router.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
- Order parts, supplies, or equipment from catalogs or suppliers.
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
- Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Clean or lubricate shafts, bearings, gears, or other parts of machinery.
- Estimate costs to repair machinery, equipment, or building structures.
- Align and balance new equipment after installation.
- Record type and cost of maintenance or repair work.
- Maintain or repair specialized equipment or machinery located in cafeterias, laundries, hospitals, stores, offices, or factories.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.
- Install equipment to improve the energy or operational efficiency of residential or commercial buildings.
- Set up and operate machine tools to repair or fabricate machine parts, jigs, fixtures, or tools.
- Perform general cleaning of buildings or properties.
- Train or manage maintenance personnel or subcontractors.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Test and treat water supply.
- Provide groundskeeping services, such as landscaping or snow removal.
- Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, or other measuring instruments.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Lay brick to repair or maintain buildings, walls, arches, or other structures.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Grind and reseat valves, using valve-grinding machines.
- Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Select, clean, and install spacers, rubber sleeves, or cutters on arbors.
- Examine completed workpieces for defects, such as chipped edges or marred surfaces and sort defective pieces according to types of flaws.
- Measure completed workpieces to verify conformance to specifications, using micrometers, gauges, calipers, templates, or rulers.
- Set stops on machine beds, change dies, and adjust components, such as rams or power presses, when making multiple or successive passes.
- Start machines, monitor their operations, and record operational data.
- Set up, operate, or tend machines to saw, cut, shear, slit, punch, crimp, notch, bend, or straighten metal or plastic material.
- Test and adjust machine speeds or actions, according to product specifications, using gauges and hand tools.
- Install, align, and lock specified punches, dies, cutting blades, or other fixtures in rams or beds of machines, using gauges, templates, feelers, shims, and hand tools.
- Read work orders or production schedules to determine specifications, such as materials to be used, locations of cutting lines, or dimensions and tolerances.
- Position guides, stops, holding blocks, or other fixtures to secure and direct workpieces, using hand tools and measuring devices.
- Position, align, and secure workpieces against fixtures or stops on machine beds or on dies.
- Load workpieces, plastic material, or chemical solutions into machines.
- Adjust ram strokes of presses to specified lengths, using hand tools.
- Clean and lubricate machines.
- Mark identifying data on workpieces.
- Clean work area.
- Plan sequences of operations, applying knowledge of physical properties of workpiece materials.
- Operate forklifts to deliver materials.
- Lubricate workpieces with oil.
- Turn controls to set cutting speeds, feed rates, or table angles for specified operations.
- Scribe reference lines on workpieces as guides for cutting operations, according to blueprints, templates, sample parts, or specifications.
- Place workpieces on cutting tables, manually or using hoists, cranes, or sledges.
- Turn valves to start flow of coolant against cutting areas or to start airflow that blows cuttings away from kerfs.
- Thread ends of metal coils from reels through slitters and secure ends on recoilers.
- Grind out burrs or sharp edges, using portable grinders, speed lathes, or polishing jacks.
- Remove housings, feed tubes, tool holders, or other accessories to replace worn or broken parts, such as springs or bushings.
- Replace defective blades or wheels, using hand tools.
- Set blade tensions, heights, and angles to perform prescribed cuts, using wrenches.
- Hand-form, cut, or finish workpieces, using tools such as table saws, hand sledges, or anvils.
- Preheat workpieces, using heating furnaces or hand torches.
- Sharpen dulled blades, using bench grinders, abrasive wheels, or lathes.
- Hone cutters with oilstones to remove nicks.
- Select, clean, and install spacers, rubber sleeves, or cutters on arbors.
