1. Kulula ukungcolisa iikomityi zensimbi ezingenasici zichaphazeleka ngokulula kwimeko yangaphandle, njengomoya, amanzi, ioli kunye nezinye izinto ezingcolileyo, ezinokukhokelela ekungcoleni kwangaphakathi. Ukongeza, ukuba ayicocwanga kwaye igcinwe ngexesha, udonga lwangaphakathi lwekomityi yensimbi engenasici luya kugqwala kwaye lula ...
Funda ngokugqithisileyo