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** Isingeniso ** Ezweni lanamuhla, amanzi ahlanzekile futhi aphephile kubalulekile empilweni nasenhlalakahleni yethu. Ngokukhathazeka okwandayo ngekhwalithi yamanzi nokungcola, kubaluleke kakhulu kunanini ngaphambili ukutshala imali kubuchwepheshe obuthuthukile obuqinisekisa amanzi ahlanzekile futhi ahlanzekile. Olunye lobuchwepheshe obuguqula indlela esiphatha ngayo amanzi uhlelo lokulawula i-osmosis emuva. Ku-ty