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?¨¬n¨ª ¨¤w?n ohun ¨¬gb¨¤-?k??-¨¬r¨¬n¨¤ t¨ª k¨° n¨ªl¨° s¨ª
??Âᨤ-¨¬²µ²ú¨¤-?°ì??-¨¬°ù¨¬²Ô¨¤ n¨¢¨¤ ¨½p¨¨s¨¨ ¨¤¨¤b¨° ¨¤¨¬n¨ªn¨² ¨¤ti ¨¤d¨¤p¨¬d¨¤p¨¬ s¨ªw¨¢j¨² f¨²n ¨¤w?n ¨¨t¨° i??? i??? on¨ª??? p¨²p??, t¨ªt¨ª kan ¨¬y??kuro ?k??-¨¬r¨¬n¨¤, ¨¬gb¨¤-¨¬d¨ªw??n, gbigb¨¦/¨¬y??kuro gb¨¤gb¨¦-¨¬r¨¬n¨¤, gbigb¨¦/¨¬y??kuro ¨¬k??, gbigb¨¦ ?k??-¨¬r¨¬n¨¤, p??l¨² agb¨¢ra l¨¢ti b¨®j¨²t¨® gbogbo ir¨² ¨¤w?n ohun-¨¬??? b¨ªi g¨ª¨¬, ¨¨so, ¨¤w?n ohun ¨¨so, ¨¤w?n ohun ¨¨so, ¨¤w?n ohun ??gb¨¬n, aw?n ohun alum?ni (iyanrin, b¨¤r¨¤, wura, bauxite), ¨¤w?n ¨¤j?, aw?n ¨¨¨¨y¨¤n igi, aw?n ¨¨¨¨y¨¤n igi, sulfur, cement clinker ati b?b? l?.


J?w? kun f??mu ti o wa ni isal?, ati pe a le mu eyikeyi aw?n aini r? ?i?? p?lu ?p?l?p? aw?n ohun elo, ap?r? eto, atil?yin im?-?r?, tabi i?? l?hin-tita. A yoo kan si ? ni kete bi o ti ?ee.