““Our initial objective in creating a value stream “map” identifying every action required to design, order, and make a specific product is to sort these actions into three categories: (1) those which actually create value as perceived by the customer; (2) those which create no value but are currently required by the product development, order filling, or production systems (Type One muda) and so can’t be eliminated just yet; and (3) those actions which don’t create value as perceived by the customer (Type Two muda) and so can be eliminated immediately.””
