Na'ura mai bushewa mai tushe da ganye ya dace da busheshen kayan lambu, ganyen shayi, busasshen abinci cire jikin waje, ta amfani da takamaiman zaɓi na nauyi, wadatar ƙima, ƙa'idodin iska da sauran hanyoyin.Zai iya cire nauyin jikin waje mai nauyi a cikin samfurin da aka gama, kamar: dutse, yashi, karfe;Jikin waje mai haske, kamar: takarda, gashi, sawdust, filastik, auduga siliki.