Okokuqala, phambi kokuqonda izicoci zamanzi, kufuneka sibambe amagama athile okanye isenzeko: ① RO inwebu: RO imele iReverse Osmosis. Ngokufaka uxinzelelo kumanzi, ahlula izinto ezincinci kunye neziyingozi kuwo. Ezi zinto ziyingozi ziquka iintsholongwane, iibhaktheriya, isinyithi esinzima, i-residual ch ...
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