Imashini ikoresha imikandara ibiri ikoresha umukandara w’icyuma ihindura ingufu mu gushyushya no gukonjesha umukandara ikoresheje amavuta ashyushya n’amazi akonje. Ibikoresho bishyushya, bigakonjeshwa kandi bigashyirwamo igitutu binyuze mu gukanda hagati y’imikandara ibiri y’icyuma.