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equations.) in some materials (such as metals, glasses, black or transparent stones), polishing is also able to reduce diffuse reflection to minimal values. when an unpolished surface is magnified thousands of times, it usually looks like mountains and valleys. by repeated abrasion, those "mountains" are worn
equations.) in some materials (such as metals, glasses, black or transparent stones), polishing is also able to reduce diffuse reflection to minimal values. when an unpolished surface is magnified thousands of times, it usually looks like mountains and valleys. by repeated abrasion, those "mountains" are worn...
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