Ku isi, ingufu zikomoka ku mirasire y'izuba zirushaho guhabwa agaciro muri iki gihe, ingufu zikomoka ku mirasire y'izuba nk'ingufu zisukuye kandi zishobora kongera gukoreshwa, zirimo kwiyongera cyane, zikaba imbaraga z'ingenzi mu guteza imbere impinduka mu ngufu mu bihugu. Cyane cyane mu nganda zikoresha imirasire y'izuba, uburyo bwo kunoza imikorere y'ingufu zikomoka ku mirasire y'izuba...
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