Mbere yo gutangira umwuka uhumeka, banza umenye niba uburyo bwo gutwara ibinyabiziga bumeze neza, niba ibyuma n'ibifuniko bikingira bitameze neza, niba ibyuma bitavanze hamwe na silindiri yo mu kirere hamwe nigikonoshwa, niba kuzunguruka bidakabije, kandi niba amavuta ameze neza. Sisitemu yo mu kirere ikonje ifite imiyoboro iva mu kirere hamwe n’amarembo yo mu kirere igomba guhindura ubwinshi bw’umwuka n’umuvuduko w’ikirere ukurikije ibisabwa mu kirere cyo mu kirere hamwe n’imiterere y’imizigo kugira ngo ikwirakwizwa ry’ikirere ribe kimwe. Ubukonje bugomba gushingwa hejuru yumurwi ukonjesha wa groupe ikonjesha ikirere ikora, ariko ubukonje ntibukwiye kuba bunini cyane, kugirango bitagira ingaruka kumyuka yubushyuhe no gutembera kwumwuka. Kubwibyo, ubukonje bugomba gukaraba mugihe gikwiye. Mugihe gikora gisanzwe, ubuso bwumubyimba wumuyaga ukonjesha ikirere bigomba kuba bikonje cyane. Niba bigaragaye ko ubukonje butaringaniye, bivuze ko itangwa ryamazi ridasanzwe, kandi rigomba guhinduka, kandi na valve itanga amazi igomba gufungurwa uko bikwiye kugirango yongere amazi.