Mhangura isina mutobvu ine yakakwira yakanaka, haigone kutsiva hydrogen mumvura, uye ine yakanakisa kusakara mukuora mumhepo, mvura yakachena, mvura yegungwa, isiri-oxidizing acid, alkali, munyu, organic acid yepakati uye ivhu, asi mhangura iri nyore oxidized, kana tembiricha yakwira...
Verenga zvimwe