Set up, operate, or watch over plating or coating machines to coat metal or plastic products with chromium, zinc, copper, cadmium, nickel, or other metal to protect or decorate surfaces. Includes electrolytic processes.

Lay out reference points and dimensions on metal or plastic stock or workpieces, such as sheets, plates, tubes, structural shapes, castings, or machine parts, for further processing.

Set up, operate, or watch over heating equipment, such as heat treating furnaces, flame hardening machines, induction machines, soaking pits, or vacuum equipment to temper, harden, anneal, or heat treat metal or plastic objects.

Set up, operate, or watch over welding, soldering, or brazing machines or robots that weld, braze, solder, or heat treat metal products, components, or assemblies. Includes workers who operate laser cutters or laser beam machines.

Braze or solder together components to assemble fabricated metal parts, using soldering iron, torch, or welding machine and flux.

Use hand welding or flame cutting equipment to weld or join metal components or to fill holes, indentations, or seams of fabricated metal products.

Analyze specifications, lay out metal stock, set up and operate machine tools, and fit and assemble parts to make and repair dies, cutting tools, jigs, fixtures, gauges, and machinists' hand tools.

Set up, operate, or watch over more than one type of cutting or forming machine tool or robot.

Set up, operate, or watch over metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.

Make or form wax or sand cores or molds used in the production of metal castings in foundries.