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knap |
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knap [nap] (mining engineering) To break rock. To improve the grade of ore by removing low-grade material manually by using a hammer. 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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| For instance, knappers take care not to anger pieces of stone through practices deemed to be improper or careless, such as failing to place finished blades parallel on the ground, with sharp points facing away from the worker. |
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