||Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic
- Move machine controls to index workpieces, and to adjust machines for pre-selected operational settings.
- Activate machine start-up switches to grind, lap, hone, debar, shear, or cut workpieces, according to specifications.
- Set up, operate, or tend grinding and related tools that remove excess material or burrs from surfaces, sharpen edges or corners, or buff, hone, or polish metal or plastic workpieces.
- Set and adjust machine controls according to product specifications, using knowledge of machine operation.
||Plating and Coating Machine Setters, Operators, and Tenders, Metal and Plastic
- Remove excess materials or impurities from objects, using air hoses or grinding machines.
- Rinse coated objects in cleansing liquids and dry them with cloths, centrifugal driers, or by tumbling in sawdust-filled barrels.
- Operate sandblasting equipment to roughen and clean surfaces of workpieces.
- Clean workpieces, using wire brushes.
||Welders, Cutters, and Welder Fitters
- Chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
- Remove rough spots from workpieces, using portable grinders, hand files, or scrapers.
- Prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreign matter.
- Clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
||Grinding and Polishing Workers, Hand
- Grind, sand, clean, or polish objects or parts to correct defects or to prepare surfaces for further finishing, using hand tools and power tools.
- Move controls to adjust, start, or stop equipment during grinding and polishing processes.
- Spread emery powder or other polishing compounds on stone, or wet stone surfaces with hoses, and guide buffing wheels over stone to polish surfaces.
||Gem and Diamond Workers
- Hold stones, gems, dies, or styluses against rotating plates, wheels, saws, or slitters to cut, shape, slit, grind, or polish them.
- 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.
- Regrind drill points, and advance drill cutting points according to specifications for channel depths and shapes.