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Ubwoko bwa kabili Ikiraro gishobora gukoreshwa muburyo bwuzuye bwa kabili
Umuyoboro wa kabili ni ibicuruzwa bishya byikiraro, birakwiriye kuri peteroli, imiti, imyenda, amashanyarazi, imashini, ubwikorezi, ubwubatsi bwabaturage nizindi mirima, irashobora gusimbuza ikiraro gakondo cyicyuma, kimaze igihe kinini gikoreshwa cyane muri Amerika, Ubuyapani, Ubudage n'utundi turere twateye imbere
