Hamwe no kwiyongera kw'ibikoresho byo gukoresha ibikoresho no kwiyongera k'umubare w’ibikoresho byikora, isoko ku isoko rya sisitemu yo gutwara ibinini bine bigenda byiyongera buhoro buhoro, ibyo bikaba binatanga inyungu z’ubwato bune mu bijyanye no kubika neza n'umwanya wo kubika utili ...