Screws, bolts, rivets, welds, and brazes parts to assemble structural and functional components such as motors, controls, switches, gauges, wiring harnesses, valves, pumps, compressors, cores, and pipes. Other duties may be assigned Studies system blueprints, specifications, and performance data to determine configuration and purpose of system components such as compressors, motors, pumps, fans, switches, controls, ducts, or pipes.