Fits and assembles structural frameworks and housings from materials, such as angle iron, I-beams, and plate steel, using hand-tools and welding equipment.
Examines blueprints and materials list to obtain parts specifications.
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.