Yintoni i-RO UV kunye ne-UF yokucoca amanzi?
Kule mihla kunye nobudala, iindlela zokucoca amanzi okusela afana ne-RO, i-UV kunye ne-UF kwizicoci zamanzi ziyimfuneko. Iingozi "zamanzi amdaka" zihamba ngaphaya kwezifo ezibangelwa ngamanzi. Ababulali bokwenyani bacothayo zizingcolisi ezifana ne-arsenic, ilothe, kunye namanye amasuntswana anetyhefu anokuba...
jonga iinkcukacha