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Facts About หัวเจียรลม Revealed

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· Has An increased degree of toughness than WA (white alundum), and with the WA amount of hardness, it's excellent shape retention, so it has a long dressing cycle, and generates minor warmth in the course of grinding. When compared to WA, it can be used in fields with much https://beediadiamond.com/catalog/rubber-points
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