Machines, tools, equipment, and work aids which may be representative but not all inclusive, of those commonly associated with this type of work: mold press, surface grinders, vertical mill, engine lathe, drill press, band saw, cutoff saw, pedestal grinder, welder, Oxy Acetylene torch, optical comparator, precision measuring tools, layout tools, hand tools. Ability to perform bench assembly operations including assembly fitting and lapping and make surface plate set-ups to check complex and close tolerance tooling for accuracy of location points, compound angles, and related dimensions and surfaces.