Lays out, positions, and secures parts and assemblies according to specifications, using straightedge, combination square, calipers, and ruler. Tack-welds or welds components and assemblies, using electric, gas, arc, or other welding equipment. Cutting and joining of metal products with the use of gas flame, electric arc, thermite compound and other methods. Melts lead bar, wire, or scrap to add lead to joint or to extrude melted scrap into reusable form.
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