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Facts About หัวเจียรไม้ Revealed

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· Has A higher degree of toughness than WA (white alundum), and Together with the WA degree of hardness, it has exceptional form retention, so it's a lengthy dressing cycle, and generates little heat for the duration of grinding. Compared to WA, it can be used in fields with much https://beediadiamond.com/catalog/rubber-points
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