21
Za otobisi zagenewe gutwara abanyeshuri zishobora gushyirwaho amatara abiri asa n'icunga rihishije amyasa kugirango yerekane ko zihagaze no kwerekana ko bagomba kwitonda, ayo matara ashyirwaho ku buryo bukurikira :
22
Itara ryo guhagarara ry'ibara ritukura rigomba kugaragara igihe ijuru rikeye nibura mu ntera ikurikira:
23
Iyo umuvuduko w'ibinyabiziga bidapakiye ushobora kurenga km50 mu isaha ahategamye, bigomba kuba bifite ibikoresho by'ihoni byumvikanira mu ntera:
24
Birabujijwe kugenza ibinyabiziga bigendeshwa na moteri naza romoruki zikururwa nabyo, iyo ibiziga byambaye inziga zidahagwa cyangwa inziga zikururuka zifite umubyimba uri hasi ya cm 4. Ariko ibyo ntibikurikizwa kubinyabiziga bikurikira:
25
Igice cy'inzira nyabagendwa kigarukira ku mirongo ibiri yera icagaguye ibangikanye kandi gifite ubugari budahagije kugira ngo imodoka zitambuke neza, kiba ari:
26
Ubugari bwa romoruki ntiburenza ubugari bw'ikinyabiziga kiyikurura iyo ikuruwe n'ibinyabiziga bikurikira:
27
Iyo hatarimo indi myanya birabujijwe gutwara ku ntebe y'imbere y'imodoka abana badafite imyaka:
28
Icyapa kivuga gutambuka mbere y'ibinyabiziga biturutse imbere gifite amabara akurikira:
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Ni ryari itegeko rigenga gutambuka mbere kw'iburyo rikurikizwa mu masangano:
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