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grinding surface

surface grinding machine MECC

surface grinding machine INDUSTR

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A horse's incisors, premolars, and molars, once fully developed, continue to erupt throughout its lifetime as the grinding surface is worn down through chewing. en.wikipedia.org

The grinding surface when reflected with light should be of a blueish-purple sheen if good, black if not so good and white if bad. en.wikipedia.org

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