Lean manufacturing is a transformational exercise that requires an organization to cast aside long-held beliefs and business processes. The five main steps to achieving lean transition are defining value, mapping the value stream, making the activities flow, responding to customer demand, and continuous improvement.
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to make its organization lean is to define value from the perspective of the customer, whether the end customer or an intermediate customer. This value must be identified and expressed in terms of how the specific product meets the customer''s need, at a specific price and at a specific time. To do that, one has to be able to evaluate performance in terms of customers, products, profitability analyses, and so on, by measuring well thought-out key performance indicators (KPIs), such as customer sales,