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5 Tips About หัวเจียรลม You Can Use Today

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· Has The next level of toughness than WA (white alundum), and Along with the WA level of hardness, it has superb form retention, so it's a lengthy dressing cycle, and generates tiny heat through grinding. In comparison with WA, it can be used in fields with far more demanding https://beediadiamond.com/catalog/rubber-points
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