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หัวเจียรยาง For Dummies

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· Has A higher degree of toughness than WA (white alundum), and While using the WA level of hardness, it has superb shape retention, so it's a protracted dressing cycle, and generates little heat for the duration of grinding. Compared to WA, it can be utilized in fields with far https://beediadiamond.com/catalog/rubber-points
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