Soldering; welding; rental of orbital welding apparatus; custom manufacture of friction welding tools for others; metal treating; Electrophoretic coating services, namely, application of wear resistant coatings to engineering components; Machine shop services, namely, machining parts for others; annealing of surfaces of machine parts; custom manufacture and production of soldering and welding machines and parts of machines; application of relief patterns to board surfaces to the order of othe...