Overhauls automobiles and trucks which includes repairing and installing wiring systems, motors, main bearings, crankshafts, piston rings, steering systems, wheel systems, brake systems, instrument panels, transmissions, clutch assemblies, differentials, dumping mechanisms, and any other defective parts. Work is performed around machinery and equipment and risks exposure to traffic hazards, electrical currents, adverse weather conditions, noise extremes, wetness, humidity, heights, fumes, dust, odors, solvents, grease/oil, skin irritants, toxic or caustic chemicals, and vibrations.