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หัวเจียรยาง for Dummies

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· Has the next degree of toughness than WA (white alundum), and Along with the WA degree of hardness, it has fantastic shape retention, so it has a long dressing cycle, and generates minimal warmth throughout grinding. When compared with WA, it may be used in fields with additional demanding https://beediadiamond.com/catalog/rubber-points

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