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.

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

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

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

Operate hand controlled mechanisms to pour and regulate the flow of molten metal into molds to produce castings or ingots.

Operate or watch over furnaces, such as gas, oil, coal, electric arc or electric induction, open hearth, or oxygen furnaces, to melt and refine metal before casting or to produce specified types of steel.

Set up and operate a variety of machine tools to produce precision parts and instruments. They fabricate, modify, or repair mechanical instruments. They also fabricate and modify parts to make or repair machine tools or maintain industrial machines, applying knowledge of mechanics, mathematics, metal properties, layout, and machining procedures.

Set up, operate, or watch over milling or planing machines to mill, plane, shape, groove, or profile metal or plastic work pieces.

Set up, operate, or watch over drilling machines to drill, bore, ream, mill, or countersink metal or plastic work pieces.

Set up, operate, or watch over forging machines to taper, shape, or form metal or plastic parts.