Iminyururu ya Ttransmission (A, B ikurikirana)
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Urunigi rwa A / B Urunigi, Inshingano Ziremereye, Isahani igororotse, Ikibanza cya kabiri
Urwego runini rwurunigi rurimo moderi zizwi cyane nkurunigi rwa roller (imwe, ebyiri na gatatu) hamwe nibyapa bigororotse, urukurikirane ruremereye, hamwe nibicuruzwa bisabwa cyane byuhererekanyabubasha, urunigi rwubuhinzi, urunigi rucecetse, urunigi rwigihe, nubundi bwoko bwinshi bushobora kugaragara kurutonde. Mubyongeyeho, dukora urunigi rufite imigereka hamwe no gushushanya abakiriya nibisobanuro.