For Costco, employees are a very important asset for maintaining their image as an industry leader. Costco has very extensive and periodic (yearly basis) training for its workers. That is very practical, innovative and theoretical in house training. Warehouse is very large and cleaned for people movement. They are very serious about healthy and safety work environment. They have safety member for every 25 employees. Safeties members do walk periodically for making sure everyone is qualified and check fire extinguishers. People work there in a very systematic way. Two axels is weight restriction for each people. They put light stuff on the top of the heavy stuff, because it is easy to lifting for employee. They mix heavy and light stuff together, because if it loads only light stuff, then heavy stuff cannot load everything. Equipment does check before using which is appropriate to use for employees. People do wrap and strap 20 unloads per day. But now everything strapped comes from China and already all products are clamped before enter into the warehouse. Actually