Muri reta ifunguye, ntihakiriho guhuza hagati yintebe ya valve hamwe na kashe ya disiki, kubwibyo rero hari imyenda mike yo gukanika hejuru yikimenyetso.Kubera ko intebe na disiki yibibaya byinshi byisi byoroshye gusana cyangwa gusimbuza kashe udakuyeho valve yose kumuyoboro, birakwiriye mugihe aho valve numuyoboro bisudira hamwe.Iyo imiyoboro inyuze muri ubu bwoko bwa valve, icyerekezo cyo gutemba kirahindurwa, bityo irwanya umuvuduko wisi ya valve iba hejuru kurenza iyindi mibande.