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SUCCESS ENGINEERING
Green level
If that is your situation, you should develop the easiest ‘4 in a row’. That means categorising severity, probability and level of detection from 1 to 4. Green level also means you can develop all the tools which are in green from the tool table in step three.
Fortunately, you will probably need very few economic resources and time to obtain the first benefits from the ‘4 in a row’ implementation.

Notional example of a 1-to-4 probability classification in a FMEA

Notional example of a 1-to-4 severity classification in a FMEA

Notional example of a 1-to-4 detection classification in a FMEA
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