Description of Work Environment: - Work in heavy industrial/shipyard setting with exposure to heat, cold, and humidity, industrial odors, fumes, gasses, chemicals, oil, grease, smoke, dust, noise, and vibration, and involves climbing ladders and stairs, using pneumatic tools, working in cramped quarters, and working with moving machinery. This includes but is not limited to: repair of mechanical components, manufacture and repair of components by machining, fabricating components with CNC cutters, mills, lathes, disassembly/reassembly of various shipboard machinery/equipment, and installation/re-installation of shipboard machinery/equipment.