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Multistage manufacturing processes are commonplace in industry. To ensure quality in the manufactured goods produced by such processes, some form of inspection is usually employed. Emphasis upon quality, while justified on its own merits, frequently makes the economic evaluation of inspection a secondary matter. The questions of where to eshblish inspection stations in a manufacturing process and how much inspection is necessary often are settled on a noneconomic basis. Yet, pricing and profit pictures are both influenced by answers to such questions.
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