Repairs, modifies and fabricates parts and assemblies for heavy duty trucks, trailers, construction equipment, machinery, utility services equipment, recreation facilities and equipment, water and gasoline tanks, metal furniture, stands and fences and performs related general welding work using both gas, arc, heliarc, mig, tig and arc air welding techniques and equipment. Fulfill physical requirements of work assignments to include moderate lifting of 20 - 50 pounds, utilizing physical exertion required to perform assignment and performing work assignments with the use of tools and equipment in cramped and contorted positions and performing work assignments in various terrains and in varying weather conditions including exposure to extreme hot and cold temperatures.