Builders FirstSource - - Responsibilities: Loads and unloads materials onto or from pallets, trucks or customer vehicles and installs strapping, bracing or padding to prevent shifting or damage in transit.; Performs load-building, determining the appropriate weight, composition, and placement of load based on customer order and capacity of delivery vehicle to ensure load is balanced and safe for hauling.; Reads work order or follows oral instructions to determine materials to be moved or loaded.; Conveys materials to or from storage to designated area using hand truck, electric dolly, forklift or other device.; Opens containers, units, slings and loads, using steel cutters, crowbar, claw-hammer or other hand tools.