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1. How is inventory used to identify problems within a Lean value stream?
If inventory is not equally balanced at all steps, it implies a scheduling problem
Large accumulations of inventory implies there is a problem at that step
A lack of inventory at a step implies there is a problem at that step
2. What is an advantage of a work cell approach within the facilities in which a process is conducted as compared to a center of excellence facility approach?
A work cell approach has lower facility and equipment costs
A work cell approach has less wasted time and effort moving items into and out of the centers of excellence
A work cell approach will have a higher RTY for the process because fewer things can go wrong
3. Under what conditions would setup time for equipment used in a Lean value stream process be treated as value-added time?
Setup time is value-added if the step includes value-added actions or activities
Setup time is value added only if the equipment is involved in creating value-added features or characteristics on the items that will be processed
Setup time is never value-added because it is not processing items for customer
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