Umuyoboro wibyuma ni ubwoko bwicyuma gifite igice cyuzuye kandi nta gusudira kuva itangiriro kugeza irangiye. Umuyoboro w'icyuma ufite ibice bifite umwobo, ukoreshwa cyane nk'umuyoboro wo gutanga amazi, umuyoboro wo kugeza amavuta, gaze gasanzwe, gaze, amazi n'ibikoresho bimwe bikomeye.