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second-class ore |
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second-class ore [′sek·ənd ¦klas ′ȯr] (mining engineering) An ore that needs some preliminary treatment before it is of a sufficiently high grade to be acceptable for market. Also known as milling ore. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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