- Make repairs, such as enlarging or reducing ring sizes, soldering pieces of jewelry together, and replacing broken clasps and mountings.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 3 | 3 | 2 | 51-2061.00 | Timing Device Assemblers and Adjusters |
| 2 | 9 | 2 | 51-4121.00 | Welders, Cutters, Solderers, and Brazers |
| 2 | 6 | 2 | 51-4122.00 | Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders |
| 1 | 2 | 3 | 51-4061.00 | Model Makers, Metal and Plastic |
| 1 | 2 | 2 | 51-2022.00 | Electrical and Electronic Equipment Assemblers 
|
| 1 | 2 | 2 | 51-2011.00 | Aircraft Structure, Surfaces, Rigging, and Systems Assemblers |
| 1 | 1 | 3 | 17-3028.00 | Calibration Technologists and Technicians |
| 1 | 1 | 2 | 53-7073.00 | Wellhead Pumpers |
| 1 | 1 | 2 | 51-9081.00 | Dental Laboratory Technicians |
| 1 | 1 | 2 | 51-9083.00 | Ophthalmic Laboratory Technicians |
| 1 | 1 | 3 | 51-8013.04 | Hydroelectric Plant Technicians |
| 1 | 1 | 3 | 51-9071.06 | Gem and Diamond Workers |
- Replace specified parts to repair malfunctioning timepieces, using watchmakers' tools, loupes, and holding fixtures.
- Change timing weights on balance wheels to correct deficient timing.
- Tighten or replace loose jewels, using watchmakers' tools.
- Assemble and install components of timepieces to complete mechanisms, using watchmakers' tools and loupes.
- Observe operation of timepiece parts and subassemblies to determine accuracy of movement, and to diagnose causes of defects.
- Test operation and fit of timepiece parts and subassemblies, using electronic testing equipment, tweezers, watchmakers' tools, and loupes.
- Disassemble timepieces such as watches, clocks, and chronometers so that repairs can be made.
- Clean and lubricate timepiece parts and assemblies, using solvents, buff sticks, and oil.
- Examine components of timepieces such as watches, clocks, or chronometers for defects, using loupes or microscopes.
- Bend parts, such as hairsprings, pallets, barrel covers, and bridges, to correct deficiencies in truing or endshake, using tweezers.
- Adjust sizes or positioning of timepiece parts to achieve specified fit or function, using calipers, fixtures, and loupes.
- Mount hairsprings and balance wheel assemblies between jaws of truing calipers.
- Estimate spaces between collets and first inner coils to determine if spaces are within acceptable limits.
- Bend inner coils of springs away from or toward collets, using tweezers, to locate centers of collets in centers of springs, and to correct errors resulting from faulty colleting of coils.
- Turn wheels of calipers and examine springs, using loupes, to determine if center coils appear as perfect circles.
- Examine and adjust hairspring assemblies to ensure horizontal and circular alignment of hairsprings, using calipers, loupes, and watchmakers' tools.
- Review blueprints, sketches, or work orders to gather information about tasks to be completed.
- Replace specified parts to repair malfunctioning timepieces, using watchmakers' tools, loupes, and holding fixtures.
- Change timing weights on balance wheels to correct deficient timing.
- Tighten or replace loose jewels, using watchmakers' tools.
- Melt and apply solder along adjoining edges of workpieces to solder joints, using soldering irons, gas torches, or electric-ultrasonic equipment.
- Melt and apply solder to fill holes, indentations, or seams of fabricated metal products, using soldering equipment.
- 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.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- 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.
- 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.
- 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.
- Develop templates and models for welding projects, using mathematical calculations based on blueprint information.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
- 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.
- Melt and apply solder along adjoining edges of workpieces to solder joints, using soldering irons, gas torches, or electric-ultrasonic equipment.
- Melt and apply solder to fill holes, indentations, or seams of fabricated metal products, using soldering equipment.
- 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.
- Repair products by dismantling, straightening, reshaping, and reassembling parts, using cutting torches, straightening presses, and hand tools.
- 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.
- 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 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.
- Tend auxiliary equipment used in welding processes.
- Start, monitor, and adjust robotic welding production lines.
- 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.
- Prepare metal surfaces or workpieces, using hand-operated equipment, such as grinders, cutters, or drills.
- Conduct trial runs before welding, soldering, or brazing, and make necessary adjustments to equipment.
- Remove completed workpieces or parts from machinery, using hand tools.
- Load or feed workpieces into welding machines to join or bond components.
- Observe meters, gauges, or machine operations to ensure that soldering or brazing processes meet specifications.
- Turn and press knobs and buttons or enter operating instructions into computers to adjust and start welding machines.
- Compute and record settings for new work, applying knowledge of metal properties, principles of welding, and shop mathematics.
- Set dials and timing controls to regulate electrical current, gas flow pressure, heating or cooling cycles, or shut-off.
- Record operational information on specified production reports.
- 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.
- 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 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.
- Tend auxiliary equipment used in welding processes.
- Start, monitor, and adjust robotic welding production lines.
- Wire and solder electrical and electronic connections and components.
- Rework or alter component model or parts as required to ensure that products meet standards.
- 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.
- Set up and operate machines, such as lathes, drill presses, punch presses, or bandsaws, to fabricate prototypes or models.
- Devise and construct tools, dies, molds, jigs, and fixtures, or modify existing tools and equipment.
- Grind, file, and sand parts to finished dimensions.
- 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.
- Wire and solder electrical and electronic connections and components.
- Rework or alter component model or parts as required to ensure that products meet standards.
- 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.
- Adjust, repair, or replace electrical or electronic components to correct defects and to ensure conformance to specifications.
- Read and interpret schematic drawings, diagrams, blueprints, specifications, work orders, or reports to determine materials requirements or assembly instructions.
- 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.
- Adjust, repair, or replace electrical or electronic components to correct defects and to ensure conformance to specifications.
- Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment.
- Adjust, repair, rework, or replace parts or assemblies to ensure proper operation.
- 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.
- Cut, trim, file, bend, or smooth parts to ensure proper fit and clearance.
- Fabricate parts needed for assembly or installation, using shop machinery or equipment.
- Layout and mark reference points and locations for installation of parts or components, using jigs, templates, or measuring and marking instruments.
- Clean, oil, or coat system components, as necessary, before assembly or attachment.
- Assemble prefabricated parts to form subassemblies.
- Set, align, adjust, or synchronize aircraft armament or rigging or control system components to established tolerances or requirements, using sighting devices and hand tools.
- Join structural assemblies, such as wings, tails, or fuselage.
- Position and align subassemblies in jigs or fixtures, using measuring instruments and following blueprint lines and index points.
- Assemble prototypes or integrated-technology demonstrators of new or emerging environmental technologies for aircraft.
- Swage fittings onto cables, using swaging machines.
- Manually install structural assemblies or signal crane operators to position assemblies for joining.
- Align, fit, assemble, connect, or install system components, using jigs, fixtures, measuring instruments, hand tools, or power tools.
- Set up or operate machines or systems to crimp, cut, bend, form, swage, flare, bead, burr, or straighten tubing, according to specifications.
- Place and connect control cables to electronically controlled units, using hand tools, ring locks, cotter keys, threaded connectors, turnbuckles, or related devices.
- Install mechanical linkages and actuators, using tensiometers to verify tension of cables.
- Clean aircraft structures, parts, or components, using aqueous, semi-aqueous, aliphatic hydrocarbon, or organic solvent cleaning products or techniques to reduce carbon or other harmful emissions.
- Install accessories in swaging machines, using hand tools.
- Mark identifying information on tubing or cable assemblies, using etching devices, labels, rubber stamps, or other methods.
- Verify dimensions of cable assemblies or positions of fittings, using measuring instruments.
- Splice cables, using clamps and fittings, or reweave cable strands.
- Fit and fasten sheet metal coverings to surface areas or other sections of aircraft prior to welding or riveting.
- Capture or segregate waste material, such as aluminum swarf, machine cutting fluid, or solvents, for recycling or environmentally responsible disposal.
- Cut cables and tubing, using master templates, measuring instruments, and cable cutters or saws.
- Monitor robotic assembly equipment, such as snake-arm robots, used to assemble, seal, or swage aircraft structures.
- Weld tubing and fittings or solder cable ends, using tack welders, induction brazing chambers, or other equipment.
- Adjust, repair, rework, or replace parts or assemblies to ensure proper operation.
- Maintain or repair measurement devices or equipment used for calibration testing.
- Analyze test data to identify defects or determine calibration requirements.
- Attend conferences, workshops, or other training sessions to learn about new tools or methods.
- Calibrate devices by comparing measurements of pressure, temperature, humidity, or other environmental conditions to known standards.
- Conduct calibration tests to determine performance or reliability of mechanical, structural, or electromechanical equipment.
- Develop new calibration methods or techniques based on measurement science, analyses, or calibration requirements.
- Disassemble and reassemble equipment for inspection.
- Draw plans for developing jigs, fixtures, instruments, or other devices.
- Operate metalworking machines to fabricate housings, jigs, fittings, or fixtures.
- Order replacement parts for malfunctioning equipment.
- Plan sequences of calibration tests according to equipment specifications and scientific principles.
- Read blueprints, schematics, diagrams, or technical orders.
- Verify part dimensions or clearances using precision measuring instruments to ensure conformance to specifications.
- Visually inspect equipment to detect surface defects.
- Write and submit reports about the results of calibration tests.
- Maintain or repair measurement devices or equipment used for calibration testing.
- Repair gas and oil meters and gauges.
- Monitor pumps and flow lines for gas and fluid leaks.
- Gauge oil and gas production.
- Start compressor engines and divert oil from storage tanks into compressor units and auxiliary equipment to recover natural gas from oil.
- Monitor control panels during pumping operations to ensure that materials are being pumped at the correct pressure, density, rate, and concentration.
- Operate engines and pumps to shut off wells according to production schedules, and to switch flow of oil into storage tanks.
- Perform routine maintenance on vehicles and equipment.
- Open valves to return compressed gas to bottoms of specified wells to repressurize them and force oil to surface.
- Change water filters.
- Prepare trucks and equipment necessary for the type of pumping service required.
- Attach pumps and hoses to wellheads.
- Mix acids, chemicals, or dry cement as required for a specific job.
- Unload and assemble pipes and pumping equipment, using hand tools.
- Supervise oil pumpers and other workers engaged in producing oil from wells.
- Drive trucks to transport high-pressure pumping equipment, and chemicals, fluids, or gases to be pumped into wells.
- Control pumping and blending equipment to acidize, cement, or fracture gas or oil wells and permeable rock formations.
- Repair gas and oil meters and gauges.
- Shape and solder wire and metal frames or bands for dental products, using soldering irons and hand tools.
- Read prescriptions or specifications and examine models or impressions to determine the design of dental products to be constructed.
- Test appliances for conformance to specifications and accuracy of occlusion, using articulators and micrometers.
- Fabricate, alter, or repair dental devices, such as dentures, crowns, bridges, inlays, or appliances for straightening teeth.
- Place tooth models on an apparatus that mimics bite and movement of patient's jaw to evaluate functionality of model.
- Remove excess metal or porcelain and polish surfaces of prostheses or frameworks, using polishing machines.
- Train or supervise other dental technicians or dental laboratory bench workers.
- Melt metals or mix plaster, porcelain, or acrylic pastes and pour materials into molds or over frameworks to form dental prostheses or apparatuses.
- Prepare metal surfaces for bonding with porcelain to create artificial teeth, using small hand tools.
- Rebuild or replace linings, wire sections, or missing teeth to repair dentures.
- Apply porcelain paste or wax over prosthesis frameworks or setups, using brushes and spatulas.
- Build and shape wax teeth, using small hand instruments and information from observations or dentists' specifications.
- Load newly constructed teeth into porcelain furnaces to bake the porcelain onto the metal framework.
- Mold wax over denture setups to form the full contours of artificial gums.
- Create a model of patient's mouth by pouring plaster into a dental impression and allowing plaster to set.
- Prepare wax bite blocks and impression trays for use.
- Fill chipped or low spots in surfaces of devices, using acrylic resins.
- Shape and solder wire and metal frames or bands for dental products, using soldering irons and hand tools.
- Repair broken parts, using precision hand tools and soldering irons.
- Mount and secure lens blanks or optical lenses in holding tools or chucks of cutting, polishing, grinding, or coating machines.
- Inspect lens blanks to detect flaws, verify smoothness of surface, and ensure thickness of coating on lenses.
- Set up machines to polish, bevel, edge, or grind lenses, flats, blanks, or other precision optical elements.
- Inspect, weigh, and measure mounted or unmounted lenses after completion to verify alignment and conformance to specifications, using precision instruments.
- Shape lenses appropriately so that they can be inserted into frames.
- Clean finished lenses and eyeglasses, using cloths and solvents.
- Mount, secure, and align finished lenses in frames or optical assemblies, using precision hand tools.
- Examine prescriptions, work orders, or broken or used eyeglasses to determine specifications for lenses, contact lenses, or other optical elements.
- Adjust lenses and frames to correct alignment.
- Select lens blanks, molds, tools, and polishing or grinding wheels, according to production specifications.
- Position and adjust cutting tools to specified curvature, dimensions, and depth of cut.
- Assemble eyeglass frames and attach shields, nose pads, and temple pieces, using pliers, screwdrivers, and drills.
- Set dials and start machines to polish lenses or hold lenses against rotating wheels to polish them manually.
- Immerse eyeglass frames in solutions to harden, soften, or dye frames.
- Lay out lenses and trace lens outlines on glass, using templates.
- Control equipment that coats lenses to alter their reflective qualities.
- Remove lenses from molds and separate lenses in containers for further processing or storage.
- Repair broken parts, using precision hand tools and soldering irons.
- 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.
- Secure stones in metal mountings, using solder.
- Examine gems during processing to ensure accuracy of angles and positions of cuts or bores, using magnifying glasses, loupes, or shadowgraphs.
- Assign polish, symmetry, and clarity grades to stones, according to established grading systems.
- Estimate wholesale and retail value of gems, following pricing guides, market fluctuations, and other relevant economic factors.
- Examine gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values.
- Identify and document stones' clarity characteristics, using plot diagrams.
- Advise customers and others on the best use of gems to create attractive jewelry items.
- Examine diamonds or gems to ascertain the shape, cut, and width of cut stones, or to select the cuts that will result in the biggest, best quality stones.
- Immerse stones in prescribed chemical solutions to determine specific gravities and key properties of gemstones or substitutes.
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- Sort rough diamonds into categories based on shape, size, color, and quality.
- Secure gems or diamonds in holders, chucks, dops, lapidary sticks, or blocks for cutting, polishing, grinding, drilling, or shaping.
- Locate and mark drilling or cutting positions on stones or dies, using diamond chips and power hand tools.
- Place stones in clamps on polishing machines and polish facets of stones, using felt-covered or canvas-covered polishing wheels and polishing compounds such as tripoli and rouge.
- Lap girdles on rough diamonds, using diamond girdling lathes.
- Measure sizes of stones' bore holes and cuts to ensure adherence to specifications, using precision measuring instruments.
- 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.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.
- Secure stones in metal mountings, using solder.
