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หัวเจียรยาง for Dummies

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· Has a higher degree of toughness than WA (white alundum), and Along with the WA degree of hardness, it's got excellent form retention, so it's got a lengthy dressing cycle, and generates small heat all through grinding. Compared to WA, it can be utilized in fields with additional demanding https://beediadiamond.com/catalog/rubber-points

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