Kutsegula kwakukulu kwa kudzaza ndi kuyeretsa:Mosiyana ndi mabotolo ambiri oyendayenda, iyi ndi yotseguka kwambiri imapangitsa kuti ikhale yosavuta kudzaza ndi madzi ochulukirapo, ndipo imakwanira mosavuta burashi kuti iyeretse mkati mwa chubu.
Valve yopanda drip:Chovala chabotolo chimakhala ndi valavu yopanda dontho yomwe imalepheretsa kutayikira ndikuwonetsetsa kuti nthawi zonse mumapereka kuchuluka koyenera.