American Air Filter - - Responsibilities: Operates various hand tools such as pliers, vice grips, hammers, squares, chisels, and screwdrivers, and power tools such as grinders, drills, come-a-longs, saws, hydraulic knock-outs, and hydraulic jacks, to fit filter units; Uses TIG welding to put together parts of a filter unit; Reads blueprints to know how to fit metal parts together; Measures and uses math skills to accurately place parts and drill holes; Operates a crane or hand truck to move filter units