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.
lean inventory jit
production. Single-digit Setup Since lean manufacturing requires manufacturers to produce to customer demand only, it requires them to make products in ever smaller batches. This is opposed to the traditional long runs of equipment and the fallacy that it is more efficient to run a big, EOQ-based batch rather to run several shorter ones that include changeovers. Yet, long runs mean large inventories, which in turn tie up large sums of money and keep customers waiting longer for finished goods and