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5 Tips About หัวเจียรลม You Can Use Today

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· Has An increased volume of toughness than WA (white alundum), and With all the WA standard of hardness, it has superb shape retention, so it has a long dressing cycle, and generates tiny warmth throughout grinding. When compared with WA, it may be used in fields with extra demanding https://beediadiamond.com/catalog/rubber-points
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