Lays out parts dimensions on worktable, using square, chalk line, and soapstone.
Tack-welds scrap metal to outline to provide jig for assembly.
Positions parts in jig and files, chisels, and grinds parts, as indicated, to fit them together.
May heat parts with acetylene torch and bend them in vise, on anvil, or around stakes mounted in table.
Tack-welds fitted parts together or directs FITTER HELPER to tack-weld parts.