Mau Oyambirira: Silver oxide, yomwe imapangidwa pophatikiza siliva ndi okosijeni, yadziwika bwino m'zaka zaposachedwa chifukwa cha ntchito zake zosiyanasiyana m'mafakitale, zamankhwala, ndi ogula.Komabe, nkhawa zokhudzana ndi chitetezo chake zabukanso, zomwe zidatipangitsa kuti tifufuze pamutuwu ndikulekanitsa ...
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