Ifumbire ni ubwoko bumwe bwifumbire mvaruganda, irimo intungamubiri zikungahaye, kandi ifite ifumbire ndende kandi ihamye.Hagati aho, iteza imbere imiterere yubutaka bukomeye bwubutaka, kandi byongera ubushobozi bwubutaka bwo kugumana amazi, ubushyuhe, umwuka, nifumbire.Ikindi kandi, ifumbire irashobora kuba ...
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