Overproductionof things not demanded by actual customers
Inventoriesawaiting further processing or consumption
Unnecessaryextra processing(for example, relying on inspections rather than designing the process to eliminate problems)
Unnecessarymotionof employees
Unnecessarytransport and handlingof goods
Waitingfor an upstream process to deliver, or for a machine to finish processing, or for a supporting function to be completed, or for an interrupted worker to get back to work...
Underutilized human potential— skills, talents, and creativity
Unsafeor unergonomic work conditions
Confusion— any uncertainty about the right thing to do.