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.
Tack-welds fitted parts together or directs FITTER HELPER to tack-weld parts.
May heat parts with acetylene torch and dip parts in cyanide bath to harden.
Periodically compares dimensions of assembly to blueprint specifications, using square, rule, and callipers.