Mbere na mbere, icyuma cyo mu kirere cyiza cyane kizagira igihe kirekire kuruta igihe gito, cyiza-cyiza.Ibi bivuze igihe gito namafaranga yakoreshejwe mukubungabunga no gusimburwa.Byongeye kandi, icyuma cyiza cyumuyaga kizakuraho neza ubuhehere muri sisitemu yikirere, kikaba ari ingenzi mu gukumira ingese no kwangirika muri sisitemu.Igihe kirenze, ibi birashobora gutuma igabanuka rikomeye ryibiciro byo gusana.

Iyindi nyungu yo gushora imari mu kirere cyiza cyane ni ukongera ingufu za peteroli.Iyo sisitemu yo mu kirere ikora neza, irashobora gufasha kugabanya gukoresha lisansi ikoresha ibice nka feri no guhagarika.Ariko, niba sisitemu ibangamiwe nubushuhe cyangwa ibindi bibazo, birashobora gutera ibibazo bitari ngombwa kuri moteri kandi bikagabanya ingufu za peteroli muri rusange.