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5 Tips About หัวเจียรลม You Can Use Today

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· Has A higher degree of toughness than WA (white alundum), and Along with the WA volume of hardness, it has great condition retention, so it's got a lengthy dressing cycle, and generates small warmth in the course of grinding. Compared to WA, it can be utilized in fields with https://beediadiamond.com/catalog/rubber-points
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