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หัวเจียรไม้ No Further a Mystery

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· Has a greater level of toughness than WA (white alundum), and Using the WA amount of hardness, it's got great form retention, so it's a lengthy dressing cycle, and generates little heat all through grinding. As compared to WA, it can be utilized in fields with more demanding grinding https://beediadiamond.com/catalog/rubber-points

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