Definition functional test of a prototype where the test parameters are according test specification. If the prototype passed test then it is PASS if failed then FAIL. Generally the pass/fail test is very weak with detection of defects.

A four-step model used in management. This is a pillar for a management system. IATF definition: Plan: establish the objectives of the system and its processes, and the resources needed to deliver results in accordance with customers’ requirements and the organization’s policies, and identify and address risks and opportunities; Do: implement what was planned; Check: …

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According IATF 16949 product safety means: standards relating to the design and manufacturing of products to ensure they do not represent harm or hazards to customers IATF 16949:2016