Responsible for setting up equipment and weld parts using arc, submerged arc, gas-shielded arc, mig and tig machines.  Handles the layout, assembly, installation and repair of plumbing systems.  Installs these systems according to specifications and appropriate trade and building codes.  These systems may consist of pipes, fittings, piping systems, fixtures and equipment for heating, cooling, gas, steam, lubricating, sprinkling, and industrial processing systems.