Simbi isina simbi ndiyo chidimbu chesimbi isina asidi-inodzivirira simbi, mhepo, chiutsi, mvura uye zvimwe zvisina kusimba zvinoodza media kana simbi isina simbi inozivikanwa sesimbi isina simbi; uye ichashingirira mukuora kwemakemikari anoodza media (asidi, alkali, munyu, uye mamwe makemikari impregnation) ngura yesimbi inonzi acid-resistant simbi.
Verenga zvimwe