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Mathematics, 30.04.2021 08:00 frisha
Two different rough steel files are used to abrade the same brass work- piece. File A has conical asperities with a semi-angle of 50° and is used under a load of 50N. File B has conical asperities with a semi-angle of 40° and is under a normal load of 40N
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Two different rough steel files are used to abrade the same brass work- piece. File A has conical as...
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