Frequently lift and/or move up to 50 pounds, climb ladders, pull up to 40 pounds, overhead lifting up to 40 pounds, maintain balance at heights of up to 20 feet, and withstand road shocks and moderate vibrations associated with driving a commercial vehicle. Safely fill tanks of all types and sizes using various size hoses, nozzles, and fittings; safely using pipe wrenches, crescent wrenches, hammers, and other hand tools.