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หัวเจียรไม้ No Further a Mystery

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· Has the next amount of toughness than WA (white alundum), and While using the WA level of hardness, it has exceptional form retention, so it's a protracted dressing cycle, and generates little warmth during grinding. When compared with WA, it can be employed in fields with much more demanding https://beediadiamond.com/catalog/rubber-points

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