Examines blueprints and materials list to obtain parts specifications.
Lays out parts dimensions on worktable, using square, chalk line, and soapstone.
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.
Fits and assembles structural frameworks and housings from materials, such as angle iron, I-beams, and plate steel, using hand-tools and welding equipment.