• gian
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    2 months ago

    Obviously, but QA is based on statistic.
    You need to destroy or damage the item tested If you want to check how a steel cable hold, You test it to the limit but after that you cannot use it anymore. So you get another one with the same specification. But if this one is defective for some reason, you would never know it until it fail.

    • CookieOfFortune@lemmy.world
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      2 months ago

      Not all QA is destructive. For example, X-rays can be used to detect internal cracks without damaging the sample.