Iivalvu zebhola zentsimbi yeCarbon zizinto ezibalulekileyo kwizicelo ezahlukeneyo zamashishini, ezaziwa ngokuhlala kwazo, ukuthembeka, kunye nokusebenza kakuhle ekulawuleni ukuhamba kwamanzi. Njengoko amashishini eqhubeka nokuvela, imfuno yevalvu yebhola ekumgangatho ophezulu iye yanda, nto leyo ekhokelela ekunyukeni okubalulekileyo kwe-numbe...
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