1. Ibyuma byujuje ubuziranenge cyane-karubone, imbaraga nyinshi, imitwaro iremereye, urukuta rw'icyuma uburebure bwa 1.2mm. 2. Inzego eshanu zo guhindura uburebure ninzego ebyiri zo guhindura ubugari, zishobora guhuza neza nubwiherero butandukanye. 3. Igice cya arc gifite inzira-ebyiri zishobora guhindurwa imyanya ituma irushaho guhagarara neza iyo ikosowe nu musarani. 4. Umuyoboro uhetamye imbere yintoki biroroshye gukoresha kuruta umuyoboro ugororotse. 5. Amabara atemewe: ubururu, imvi. 6. Ubuso buvurwa hamwe nubushyuhe bwo hejuru bwo guteka. 7.PE intoki zidafite amazi. 8.
Ubutumwa
Ibicuruzwa Byasabwe