Ukuthutha izixhobo ezichanekileyo, nokuba zezonyango, zoshishino, okanye zesayensi, kufuna ingqalelo ebukhali kwiingozi ezinokubakho. Ezi ngozi, ezihlala zingabonakali emehlweni, zinokuchaphazela kakhulu ukuchaneka nokusebenza kwezixhobo ezibuthathaka. Phakathi...
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