Imibhobho yentsimbi yangaphambi kokuba isetyenziselwe amanzi, imizi-mveliso, amashishini eekhemikhali, ezolimo, kunye nezinye iinkalo, apho umgangatho wazo unefuthe ngqo khuseleko kunye nexesha lokuphila. Ke ngoko, ulawulo olusemgangathweni olungqongqo kunye nokuvavanywa kwezi ndlela zentsimbi kubalulekile. ...
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