Lean manufacturing emphasizes the minimization of the amount of all the resources (including time) used in the various activities of the enterprise. The typical areas of hidden waste are over-production, waiting, transportation, over-processing, motion, excessive inventory, and defective units.
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traditional materials requirements planning (MRP) batch- and push-based production planning and associated economies of scale product costing approaches. This is Part One of a multi-part note. For this reason, there has been increased interest in the lean manufacturing support philosophy. To understand this trend, one need look no further than the enterprise resource planning (ERP) systems of the 1990s, which, unfortunately, are cognitive (i.e., sending well-devised plans of mice and men , which,