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หัวเจียรไม้ No Further a Mystery

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· Has a greater amount of toughness than WA (white alundum), and While using the WA degree of hardness, it's outstanding form retention, so it has an extended dressing cycle, and generates minor warmth all through grinding. In comparison with WA, it can be utilized in fields with far more https://beediadiamond.com/catalog/rubber-points

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