Lay out, machine, fit, and assemble castings and parts to metal or plastic foundry patterns, core boxes, or match plates.

Set up and operate machines, such as lathes, milling and engraving machines, and jig borers to make working models of metal or plastic objects. Includes template makers.

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 lathe and turning machines to turn, bore, thread, form, or face metal or plastic materials, such as wire, rod, or bar stock.

Set up, operate, or watch over grinding and related tools that remove excess material or burrs from surfaces, sharpen edges or corners, or buff, hone, or polish 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 machines to saw, cut, shear, slit, punch, crimp, notch, bend, or straighten metal or plastic material.