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…in evaluating material performance and
quality including, but not limited to, performing regular purchaser quality control tests,
performing periodic equivalency/additional testing, participating in material change management
activities, conducting statistical process control, and conducting regular supplier audits.
The applicability and accuracy of…
https://www.wichita.edu/industry_and_defense/NIAR/Research/cytec-5320-1/T650-3k-PW-3.pdf