Sepheo se seholo sa li-filters tsa syringe ke ho sefa metsi le ho tlosa likaroloana, sediments, microorganisms, joalo-joalo Li sebelisoa haholo ho baeloji, k'hemistri, saense ea tikoloho, meriana le meriana. Sefahla sena se amoheloa ke batho ba bangata ka lebaka la phello ea sona e ntle ea ho sefa, ho ba bonolo le ho sebetsa hantle ...
Bala haholoanyane