Job Duties Custom List 51-4041.00 — Machinists
- Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 6 | 11 | 2 | 51-4121.00 | Welders, Cutters, Solderers, and Brazers |
| 5 | 7 | 2 | 51-4122.00 | Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders |
| 5 | 6 | 2 | 51-9032.00 | Cutting and Slicing Machine Setters, Operators, and Tenders |
| 3 | 5 | 3 | 51-2041.00 | Structural Metal Fabricators and Fitters |
| 3 | 5 | 2 | 51-4031.00 | Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic |
| 2 | 3 | 1 | 51-9031.00 | Cutters and Trimmers, Hand |
| 2 | 3 | 2 | 51-7041.00 | Sawing Machine Setters, Operators, and Tenders, Wood |
| 2 | 2 | 2 | 49-9044.00 | Millwrights |
| 2 | 2 | 2 | 51-9141.00 | Semiconductor Processing Technicians 
|
| 2 | 2 | 2 | 51-2011.00 | Aircraft Structure, Surfaces, Rigging, and Systems Assemblers |
| 1 | 4 | 3 | 51-4111.00 | Tool and Die Makers |
| 1 | 4 | 2 | 51-4033.00 | Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 4 | 3 | 51-9071.06 | Gem and Diamond Workers |
| 1 | 3 | 3 | 51-4062.00 | Patternmakers, Metal and Plastic |
| 1 | 3 | 3 | 51-4061.00 | Model Makers, Metal and Plastic |
| 1 | 3 | 2 | 51-4194.00 | Tool Grinders, Filers, and Sharpeners |
| 1 | 3 | 3 | 49-9063.00 | Musical Instrument Repairers and Tuners |
| 1 | 2 | 2 | 51-4022.00 | Forging Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 2 | 3 | 51-9082.00 | Medical Appliance Technicians |
| 1 | 2 | 2 | 51-4034.00 | Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic |
| 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 | 1 | 3 | 49-3052.00 | Motorcycle Mechanics |
| 1 | 1 | 3 | 51-7031.00 | Model Makers, Wood |
| 1 | 1 | 2 | 49-3091.00 | Bicycle Repairers |
| 1 | 1 | 2 | 51-4021.00 | Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 1 | 2 | 49-9098.00 | Helpers--Installation, Maintenance, and Repair Workers |
| 1 | 1 | 3 | 49-9041.00 | Industrial Machinery Mechanics
|
| 1 | 1 | 2 | 51-2022.00 | Electrical and Electronic Equipment Assemblers
|
| 1 | 1 | 2 | 51-3011.00 | Bakers
|
| 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 | 51-5112.00 | Printing Press Operators |
| 1 | 1 | 2 | 49-9099.01 | Geothermal Technicians |
| 1 | 1 | 2 | 49-3021.00 | Automotive Body and Related Repairers |
| 1 | 1 | 3 | 49-9092.00 | Commercial Divers
|
| 1 | 1 | 2 | 51-9194.00 | Etchers and Engravers |
| 1 | 1 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
- Weld components in flat, vertical, or overhead positions.
- Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
- Weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
- Ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.
- Guide and direct flames or electrodes on or across workpieces to straighten, bend, melt, or build up metal.
- Melt and apply solder along adjoining edges of workpieces to solder joints, using soldering irons, gas torches, or electric-ultrasonic equipment.
- Grind, cut, buff, or bend edges of workpieces to be joined to ensure snug fit, using power grinders and hand tools.
- Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
- Melt and apply solder to fill holes, indentations, or seams of fabricated metal products, using soldering equipment.
- Operate safety equipment and use safe work habits.
- Examine workpieces for defects and measure workpieces with straightedges or templates to ensure conformance with specifications.
- Detect faulty operation of equipment or defective materials and notify supervisors.
- Mark or tag material with proper job number, piece marks, and other identifying marks as required.
- Determine required equipment and welding methods, applying knowledge of metallurgy, geometry, and welding techniques.
- Prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreign matter.
- Align and clamp workpieces together, using rules, squares, or hand tools, or position items in fixtures, jigs, or vises.
- Connect and turn regulator valves to activate and adjust gas flow and pressure so that desired flames are obtained.
- Position and secure workpieces, using hoists, cranes, wire, and banding machines or hand tools.
- Monitor the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.
- Develop templates and models for welding projects, using mathematical calculations based on blueprint information.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- Hammer out bulges or bends in metal workpieces.
- Check grooves, angles, or gap allowances, using micrometers, calipers, and precision measuring instruments.
- Use fire suppression methods in industrial emergencies.
- Preheat workpieces prior to welding or bending, using torches or heating furnaces.
- Set up and use ladders and scaffolding as necessary to complete work.
- Operate metal shaping, straightening, and bending machines, such as brakes and shears.
- Analyze engineering drawings, blueprints, specifications, sketches, work orders, and material safety data sheets to plan layout, assembly, and operations.
- Weld components in flat, vertical, or overhead positions.
- Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
- Weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
- Ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.
- Guide and direct flames or electrodes on or across workpieces to straighten, bend, melt, or build up metal.
- Melt and apply solder along adjoining edges of workpieces to solder joints, using soldering irons, gas torches, or electric-ultrasonic equipment.
- Grind, cut, buff, or bend edges of workpieces to be joined to ensure snug fit, using power grinders and hand tools.
- Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
- Melt and apply solder to fill holes, indentations, or seams of fabricated metal products, using soldering equipment.
- 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.
- Prepare metal surfaces or workpieces, using hand-operated equipment, such as grinders, cutters, or drills.
- Tend auxiliary equipment used in welding processes.
- 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.
- Select, position, align, and bolt jigs, holding fixtures, guides, or stops onto machines, using measuring instruments and hand tools.
- 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.
- 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.
- Select torch tips, alloys, flux, coil, tubing, or wire, according to metal types or thicknesses, data charts, or records.
- 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.
- Prepare metal surfaces or workpieces, using hand-operated equipment, such as grinders, cutters, or drills.
- Tend auxiliary equipment used in welding processes.
- 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.
- Set up, operate, or tend machines that cut or slice materials, such as glass, stone, cork, rubber, tobacco, food, paper, or insulating material.
- 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.
- Adjust machine controls to alter position, alignment, speed, or pressure.
- Tighten pulleys or add abrasives to maintain cutting speeds.
- Sharpen cutting blades, knives, or saws, using files, bench grinders, or honing stones.
- 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.
- 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.
- 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.
- Select and install machine components, such as cutting blades, rollers, and templates, according to specifications, using hand tools.
- 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.
- Turn cranks or press buttons to activate winches that move cars under sawing cables or saw frames.
- Cut stock manually to prepare for machine cutting, using tools such as knives, cleavers, handsaws, or hammers and chisels.
- Wash stones, using water hoses.
- Set up, operate, or tend machines that cut or slice materials, such as glass, stone, cork, rubber, tobacco, food, paper, or insulating material.
- 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.
- Adjust machine controls to alter position, alignment, speed, or pressure.
- Tighten pulleys or add abrasives to maintain cutting speeds.
- Sharpen cutting blades, knives, or saws, using files, bench grinders, or honing stones.
- 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.
- 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.
- Tack-weld fitted parts together.
- Remove high spots and cut bevels, using hand files, portable grinders, and cutting torches.
- Hammer, chip, and grind workpieces to cut, bend, and straighten metal.
- 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.
- 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.
- 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.
- 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.
- 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.
- Tack-weld fitted parts together.
- Remove high spots and cut bevels, using hand files, portable grinders, and cutting torches.
- Hammer, chip, and grind workpieces to cut, bend, and straighten metal.
- 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.
- Grind out burrs or sharp edges, using portable grinders, speed lathes, or polishing jacks.
- Sharpen dulled blades, using bench grinders, abrasive wheels, or lathes.
- 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.
- 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.
- 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.
- Select, clean, and install spacers, rubber sleeves, or cutters on arbors.
- Hand-form, cut, or finish workpieces, using tools such as table saws, hand sledges, or anvils.
- Preheat workpieces, using heating furnaces or hand torches.
- Hone cutters with oilstones to remove nicks.
- 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.
- Grind out burrs or sharp edges, using portable grinders, speed lathes, or polishing jacks.
- Sharpen dulled blades, using bench grinders, abrasive wheels, or lathes.
- Lower table-mounted cutters such as knife blades, cutting wheels, or saws to cut items to specified sizes.
- Route items to provide cutouts for parts, using portable routers, grinders, and hand tools.
- Clean, treat, buff, or polish finished items, using grinders, brushes, chisels, and cleaning solutions and polishing materials.
- Mark or discard items with defects such as spots, stains, scars, snags, chips, scratches, or unacceptable shapes or finishes.
- Trim excess material or cut threads off finished products, such as cutting loose ends of plastic off a manufactured toy for a smoother finish.
- Cut, shape, and trim materials, such as textiles, food, glass, stone, and metal, using knives, scissors, and other hand tools, portable power tools, or bench-mounted tools.
- Position templates or measure materials to locate specified points of cuts or to obtain maximum yields, using rules, scales, or patterns.
- Read work orders to determine dimensions, cutting locations, and quantities to cut.
- Mark cutting lines around patterns or templates, or follow layout points, using squares, rules, and straightedges, and chalk, pencils, or scribes.
- Mark identification numbers, trademarks, grades, marketing data, sizes, or model numbers on products.
- Unroll, lay out, attach, or mount materials or items on cutting tables or machines.
- Separate materials or products according to size, weight, type, condition, color, or shade.
- Fold or shape materials before or after cutting them.
- Replace or sharpen dulled cutting tools such as saws.
- Stack cut items and load them on racks or conveyors or onto trucks.
- Adjust guides and stops to control depths and widths of cuts.
- Count or weigh and bundle items.
- Transport items to work or storage areas, using carts.
- Lower table-mounted cutters such as knife blades, cutting wheels, or saws to cut items to specified sizes.
- Route items to provide cutouts for parts, using portable routers, grinders, and hand tools.
- Clean, treat, buff, or polish finished items, using grinders, brushes, chisels, and cleaning solutions and polishing materials.
- Guide workpieces against saws, saw over workpieces by hand, or operate automatic feeding devices to guide cuts.
- Pull tables back against stops and depress pedals to advance cutterheads that shape stock ends.
- Operate panelboards of saw or conveyor systems to move stock through processes or to cut stock to specified dimensions.
- 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.
- 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.
- Examine blueprints, drawings, work orders, or patterns to determine equipment set-up or selection details, procedures to be used, or dimensions of final products.
- Select saw blades, types or grades of stock, or cutting procedures to be used, according to work orders or supervisors' instructions.
- 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.
- Guide workpieces against saws, saw over workpieces by hand, or operate automatic feeding devices to guide cuts.
- Pull tables back against stops and depress pedals to advance cutterheads that shape stock ends.
- Operate panelboards of saw or conveyor systems to move stock through processes or to cut stock to specified dimensions.
- 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.
- Operate saw to cut remelt into sections of specified size or to cut ingots into wafers.
- 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.
- 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.
- Operate saw to cut remelt into sections of specified size or to cut ingots into wafers.
- Attach ampoule to diffusion pump to remove air from ampoule, and seal ampoule, using blowtorch.
- Set up or operate machines or systems to crimp, cut, bend, form, swage, flare, bead, burr, or straighten tubing, according to specifications.
- 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.
- 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.
- Set up or operate machines or systems to crimp, cut, bend, form, swage, flare, bead, burr, or straighten tubing, according to specifications.
- Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment.
- Fit and assemble parts to make, repair, or modify dies, jigs, gauges, and tools, using machine tools, hand tools, or welders.
- 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.
- 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.
- Verify dimensions, alignments, and clearances of finished parts for conformance to specifications, using measuring instruments such as calipers, gauge blocks, micrometers, or dial indicators.
- 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.
- Select metals to be used from a range of metals and alloys, based on properties such as hardness or heat tolerance.
- Lift, position, and secure machined parts on surface plates or worktables, using hoists, vises, v-blocks, or angle plates.
- 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.
- 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.
- 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.
- Activate machine start-up switches to grind, lap, hone, debar, shear, or cut workpieces, according to specifications.
- Move machine controls to index workpieces, and to adjust machines for pre-selected operational settings.
- 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.
- 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.
- Study blueprints, work orders, or machining instructions to determine product specifications, tool requirements, and operational sequences.
- Select machine tooling to be used, using knowledge of machine and production requirements.
- Mount and position tools in machine chucks, spindles, or other tool holding devices, using hand tools.
- 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.
- Activate machine start-up switches to grind, lap, hone, debar, shear, or cut workpieces, according to specifications.
- Move machine controls to index workpieces, and to adjust machines for pre-selected operational settings.
- 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.
- Lap girdles on rough diamonds, using diamond girdling lathes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Secure stones in metal mountings, using solder.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.
- 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.
- 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.
- Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
- Select shaping wheels for tasks, and mix and apply abrasives, bort, or polishing compounds.
- 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.
- Lap girdles on rough diamonds, using diamond girdling lathes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Secure stones in metal mountings, using solder.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.
- Assemble pattern sections, using hand tools, bolts, screws, rivets, glue, or welding equipment.
- Set up and operate machine tools, such as milling machines, lathes, drill presses, and grinders, to machine castings or patterns.
- Clean and finish patterns or templates, using emery cloths, files, scrapers, and power grinders.
- Verify conformance of patterns or template dimensions to specifications, using measuring instruments such as calipers, scales, and micrometers.
- 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.
- 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.
- Select pattern materials such as wood, resin, and fiberglass.
- 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.
- Set up and operate machine tools, such as milling machines, lathes, drill presses, and grinders, to machine castings or patterns.
- Clean and finish patterns or templates, using emery cloths, files, scrapers, and power grinders.
- Set up and operate machines, such as lathes, drill presses, punch presses, or bandsaws, to fabricate prototypes or models.
- Grind, file, and sand parts to finished dimensions.
- Wire and solder electrical and electronic connections and components.
- Study blueprints, drawings, and sketches to determine material dimensions, required equipment, and operations sequences.
- Inspect and test products to verify conformance to specifications, using precision measuring instruments or circuit testers.
- Drill, countersink, and ream holes in parts and assemblies for bolts, screws, and other fasteners, using power tools.
- Cut, shape, and form metal parts, using lathes, power saws, snips, power brakes and shears, files, and mallets.
- Devise and construct tools, dies, molds, jigs, and fixtures, or modify existing tools and equipment.
- Rework or alter component model or parts as required to ensure that products meet standards.
- Program computer numerical control (CNC) machines to fabricate model parts.
- Lay out and mark reference points and dimensions on materials, using measuring instruments and drawing or scribing tools.
- Align, fit, and join parts, using bolts and screws or by welding or gluing.
- Use computer-aided design (CAD) and computer-aided manufacturing (CAM) software or hardware to fabricate model parts.
- Assemble mechanical, electrical, and electronic components into models or prototypes, using hand tools, power tools, and fabricating machines.
- Consult and confer with engineering personnel to discuss developmental problems and to recommend product modifications.
- Record specifications, production operations, and final dimensions of models for use in establishing operating standards and procedures.
- Set up and operate machines, such as lathes, drill presses, punch presses, or bandsaws, to fabricate prototypes or models.
- Grind, file, and sand parts to finished dimensions.
- Wire and solder electrical and electronic connections and components.
- 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.
- Set up and operate grinding or polishing machines to grind metal workpieces, such as dies, parts, and tools.
- 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.
- Select and mount grinding wheels on machines, according to specifications, using hand tools and applying knowledge of abrasives and grinding procedures.
- 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.
- 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.
- 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.
- Set up and operate grinding or polishing machines to grind metal workpieces, such as dies, parts, and 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.
- 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.
- Sharpen cutting tools and drill bits, using bench grinders.
- 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.
- 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.
- Select, align, and bolt positioning fixtures, stops, and specified dies to rams and anvils, forging rolls, or presses and hammers.
- 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.
- Sharpen cutting tools and drill bits, using bench grinders.
- Drill and tap holes for rivets, and glue, weld, bolt, or rivet parts together to form prosthetic or orthotic devices.
- Polish artificial limbs, braces, or supports, using grinding and buffing wheels.
- 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.
- 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.
- Polish artificial limbs, braces, or supports, using grinding and buffing wheels.
- Start lathe or turning machines and observe operations to ensure that specifications are met.
- Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.
- Adjust machine controls and change tool settings to keep dimensions within specified tolerances.
- Inspect sample workpieces to verify conformance with specifications, using instruments such as gauges, micrometers, and dial indicators.
- 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.
- Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.
- 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.
- Start lathe or turning machines and observe operations to ensure that specifications are met.
- Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.
- 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.
- Set up and operate machines, such as lathes, cutters, shears, borers, millers, grinders, presses, drills, or auxiliary machines, to make metallic and plastic workpieces.
- Remove burrs, sharp edges, rust, or scale from workpieces, using files, hand grinders, wire brushes, or power tools.
- 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.
- Select, install, and adjust alignment of drills, cutters, dies, guides, and holding devices, using templates, measuring instruments, and hand tools.
- Observe machine operation to detect workpiece defects or machine malfunctions, adjusting machines as necessary.
- 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.
- Select the proper coolants and lubricants and start their flow.
- 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.
- Set up and operate machines, such as lathes, cutters, shears, borers, millers, grinders, presses, drills, or auxiliary machines, to make metallic and plastic workpieces.
- Remove burrs, sharp edges, rust, or scale from workpieces, using files, hand grinders, wire brushes, or power tools.
- 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.
- Set up, operate, and adjust a variety of woodworking machines such as bandsaws and planers to cut and shape sections, parts, and patterns, according to specifications.
- Verify dimensions and contours of models during hand-forming processes, using templates and measuring devices.
- Read blueprints, drawings, or written specifications, and consult with designers to determine sizes and shapes of patterns and required machine setups.
- Fit, fasten, and assemble wood parts together to form patterns, models, or sections, using glue, nails, dowels, bolts, screws, and other fasteners.
- Trim, smooth, and shape surfaces, and plane, shave, file, scrape, and sand models to attain specified shapes, using hand tools.
- Select wooden stock, determine layouts, and mark layouts of parts on stock, using precision equipment such as scribers, squares, and protractors.
- Construct wooden models, patterns, templates, full scale mock-ups, and molds for parts of products and production tools.
- Mark identifying information on patterns, parts, and templates to indicate assembly methods and details.
- Plan, lay out, and draw outlines of units, sectional patterns, or full-scale mock-ups of products.
- Fabricate work aids such as scrapers or templates.
- Maintain pattern records for reference.
- Build jigs that can be used as guides for assembling oversized or special types of box shooks.
- Issue patterns to designated machine operators.
- Finish patterns or models with protective or decorative coatings such as shellac, lacquer, or wax.
- Set up, operate, and adjust a variety of woodworking machines such as bandsaws and planers to cut and shape sections, parts, and patterns, according to specifications.
- 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.
- Operate shearing mechanisms to cut rods to specified lengths.
- Measure and examine extruded products to locate defects and to check for conformance to specifications, adjusting controls as necessary to alter products.
- Determine setup procedures and select machine dies and parts, according to specifications.
- 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.
- Select nozzles, spacers, and wire guides, according to diameters and lengths of rods.
- Operate shearing mechanisms to cut rods to specified lengths.
- 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.
- 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.
- Operate slicing or wrapping machines.
- Check products for quality, and identify damaged or expired goods.
- Set oven temperatures, and place items into hot ovens for baking.
- Combine measured ingredients in bowls of mixing, blending, or cooking machinery.
- Place dough in pans, molds, or on sheets, and bake in production ovens or on grills.
- Set time and speed controls for mixing machines, blending machines, or steam kettles so that ingredients will be mixed or cooked according to instructions.
- Measure or weigh flour or other ingredients to prepare batters, doughs, fillings, or icings, using scales or graduated containers.
- Observe color of products being baked, and adjust oven temperatures, humidity, or conveyor speeds accordingly.
- Check the quality of raw materials to ensure that standards and specifications are met.
- Check equipment to ensure that it meets health and safety regulations, and perform maintenance or cleaning, as necessary.
- Adapt the quantity of ingredients to match the amount of items to be baked.
- Apply glazes, icings, or other toppings to baked goods, using spatulas or brushes.
- Decorate baked goods, such as cakes or pastries.
- Roll, knead, cut, or shape dough to form sweet rolls, pie crusts, tarts, cookies, or other products.
- Direct or coordinate bakery deliveries.
- Order or receive supplies or equipment.
- Prepare or maintain inventory or production records.
- Develop new recipes for baked goods.
- Operate slicing or wrapping machines.
- Activate shears and grinders to trim workpieces.
- 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.
- 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.
- Select rolls, dies, roll stands, and chucks from data charts to form specified contours and to fabricate products.
- Remove scratches and polish roll surfaces, using polishing stones and electric buffers.
- Disassemble sizing mills removed from rolling lines, and sort and store parts.
- Activate shears and grinders to trim workpieces.
- 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.
- Set up or operate auxiliary equipment, such as cutting, folding, plate-making, drilling, or laminating machines.
- Start presses and pull proofs to check for ink coverage and density, alignment, and registration.
- Examine job orders to determine quantities to be printed, stock specifications, colors, or special printing instructions.
- Adjust ink fountain flow rates.
- Verify that paper and ink meet the specifications for a given job.
- Collect and inspect random samples during print runs to identify any necessary adjustments.
- Feed paper through press cylinders and adjust feed and tension controls.
- Monitor automated press operation systems and respond to fault, error, or alert messages.
- Load presses with paper and make necessary adjustments, according to paper size.
- Secure printing plates to printing units and adjust tolerances.
- Clean ink fountains, plates, or printing unit cylinders when press runs are completed.
- Change press plates, blankets, or cylinders, as required.
- Obtain or mix inks and fill ink fountains.
- Input production job settings into workstation terminals that control automated printing systems.
- Clean or oil presses or make minor repairs, using hand tools.
- Maintain time or production records.
- Monitor inventory levels on a regular basis, ordering or requesting additional supplies, as necessary.
- Monitor environmental factors, such as humidity and temperature, that may impact equipment performance and make necessary adjustments.
- Download or scan files to be printed, using printing production software.
- Adjust digital files to alter print elements, such as fonts, graphics, or color separations.
- Direct or monitor work of press crews.
- Download completed jobs to archive media so that questions can be answered or jobs replicated.
- Control workflow scheduling or job tracking, using computer database software.
- Set up or operate auxiliary equipment, such as cutting, folding, plate-making, drilling, or laminating machines.
- 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.
- 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.
- Start machines and lower cutting tools to beginning points on patterns.
- 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.
- 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.
- Select and insert required templates into pattern frames beneath the stylus of a machine cutting tool or router.
- 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.
- Start machines and lower cutting tools to beginning points on patterns.
- 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.
