Iyi mashini yakoreshaga umukandara wo mu Buyapani kugira ngo ikure impapuro hasi, naho imashini idahagarara ikoreshwa mu kongera no kugaburira impapuro buri gihe; uburyo bwo gutwara umukandara budakomeza bukoresha uburyo bwo kugenzura servo, bufite ubwoko bubiri bw'uburyo bwo gusohora impapuro; imikandara myinshi yo gutwara ifite ibikoresho n'ibikoresho bishobora guhindura aho umukandara uherereye, bikaba ibumoso cyangwa iburyo.