Because the main focus of Lean is to eliminate waste in the process , then the concept is there are 7 kinds of waste that generally occurs , which must be removed . 7 Waste include: 1. Transportation Waste ( Waste consists of a transfer or conveyance that is not necessary as the placement of temporary , again buildup , the movement of goods ) 2. Waste Excess Inventory ( Inventory , stocks or excess inventory ) 3. Waste Movement ( Motion , is a waste of time that is used to look for , then movement is inefficient and not ergonomic ) 4. Waste Waiting ( Waiting , this waste among other activities including automatic machines waiting , waiting for things to come , etc. ) 5. Excess Waste Production ( Over Production , produces products exceeds demand , or ahead of schedule ) 6. Excess Waste Process ( Over Processing , adding that the process is not required for goods products will only add to the cost of production 7. Defect Waste ( Rework , rework no added value ( the customer does not pay
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