Into yokucoca intsimbi:Isixhobo sokucoca intsimbi engatyiwa sinokusetyenziswa kwizinto ezahlukeneyo, kubandakanya umzi-mveliso, iikhemikhali, kunye namashishini okulungisa ukutya.Indawo esetyenziswayo inokuqala ukusuka kumaqondo obushushu aphezulu ukuya kuxinzelelo oluphezulu, kunye nendalo eyonakalisayo ...
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