Ni nziza cyane ku gutwara imizigo minini ukoresheje icyuma gikurura imizigo - ni nziza cyane ku mashini, ibikoresho by'ubwubatsi, imiyoboro, cyangwa ibikoresho birebire by'inganda. Ikunze gukoreshwa mu bucukuzi bw'amabuye y'agaciro, peteroli/gaze, n'inganda zikomeye.