Umuyoboro w'amazi ni ubwoko bw'icyuma gifite igice cyuzuye kandi nta gusudira kuva mu ntangiriro kugeza ku iherezo. Umuyoboro w'icyuma ufite igice cyuzuye, gikoreshwa cyane nk'umuyoboro wo gutanga amazi, amavuta, gaze gasanzwe, gaze, amazi n'ibikoresho bimwe bikomeye.