Ibyiza byayo ni umweru mwinshi, ubuziranenge no gukorera mu mucyo, ibyunyunyu fer birenze urugero, nta byuma biremereye birinda ubushyuhe, birwanya aside irwanya alkali, kandi kandi birwanya kwangirika kwa gaze yangiza, imikorere ihamye no kwikingira neza.