Ivyuma vy’umupira bikora mu gukoresha ugushikama kw’ibarabara hagati y’inzira z’amasiganwa n’imipira kugira ngo bigabanye ugushikana hagati y’umugozi n’ivyuma, gutyo bikagabanya ugushikana kw’amapine no gutuma ubushobozi bwo gutanga amakuru bugenda neza. Ico gikorwa co guhinduranya kibuza ko igihimba c’umubiri kidashobora kwonona kandi kigatuma imashini igumaho.