Umuyoboro w'icyuma udafite ikizinga ni ubwoko bw'icyuma kizengurutse, kare kandi gifite urukiramende gifite igice cyuzuye kandi ntaho bihurira n'umuyoboro w'icyuma udafite ibyuma bikozwe mu cyuma cyangwa umuyoboro ukomeye wambaye ubusa, hanyuma ugahita ushushe, ukonje ukonje cyangwa ushushanyije Umuyoboro w'icyuma udafite icyuma ufite a igice cyo kugenzura hagati kandi gikoreshwa cyane nkumuyoboro wo gutanga amazi.Ugereranije nicyuma gikomeye nkicyuma kizengurutse, umuyoboro wicyuma ufite imbaraga zingana kandi zingana kandi ziroroshye.Nicyuma cyubukungu.Ikoreshwa cyane mugukora ibice byubatswe nibice byubukanishi, nkumuyoboro wamavuta ya peteroli, shitingi yohereza ibinyabiziga, ikarita yamagare nicyuma bikoreshwa mubwubatsi