Ahantu habikwa ibikoresho byibyuma, haba mububiko ndetse no hanze yububiko, bigomba kuba bifite isuku kandi byumye, kure y’amahugurwa y’uruganda rutanga imyuka n’umukungugu byangiza, kandi bitavanze na acide, alkalis, umunyu, imyuka, ifu n’ibindi bintu.Ububiko bugomba kuba c ...
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