A number of lean manufacturing tools and practices have long been used to reduce manufacturing waste. These include the five S's, visual controls, standardized work, mistake proofing, total productive maintenance, cellular manufacturing, single-digit setup, pull systems, sequencing, activity-based costing, and leveled production.
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is to have the flow of materials controlled by replacing only what has been actually consumed. Pull systems, also known as kanban (coming from the Japanese words kan , which means card , and ban which means signal ), ensure that production and material requirements are based on actual customer demand rather than on inevitably inaccurate forecasting tools. A kanban signal, which can be a card, empty squares on the floor for bins, lights, or a computer software generated signal, triggers the movement,