Ukuxutywa kwezinto eziphathekayo yenye yamanyathelo aqhelekileyo kwiinkqubo ezininzi zokuvelisa. Ezi mathiriyeli zinokuba nakweyiphi na imeko enjengolwelo okanye okuqinileyo, kwaye zinokungaguquguquki, njengokurhawuka, ukuncamathelisa, iigranules, umgubo orhabaxa, nokunye. Nokuba kukho ukungqinelana, izinto ...
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