It is vital that surfaces that have to be tested to determine the hardness of the material must be free of _____
It is vital that surfaces that have to be tested to determine the hardness of the material must be free of _____ Correct Answer ridges
In order to perform tests on the material, it must meet certain standards. It should have the required thickness to avoid bulging and must be free of ridges and scratches. It should be even and smooth.
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Feb 20, 2025