Inspection

Synonym(s):  Quality Assurance

In mass production, the practice of quality checking products by specialized inspectors outside of the process making the products.

Lean producers assign quality assurance to operators and mistakeproofing devices within the production process in order to detect problems at the source. Rather than passing defects to subsequent processes for detection and rectification, the process is stopped to determine the cause and to take corrective action.

From the Lean Lexicon 5th Edition
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