E qalile hantle e le moetsi oa li-regulator, mefuta e mengata ea khase, liphaephe tsa lipeipi, li-valve tsa bolo, li-valve tsa nale, li-valve le li-valve tsa solenoid. Morero oa rona ke ho fana ka lihlahisoa tse tšepahalang ka ho fetisisa, tse nepahetseng le tse phahameng ho bareki ba rona.