Kutsekera kwa valve pachipata kumakana kupotoza ndi kuphimba chogwirira cha valve kukuthandizani kutseka valavu yachipata ndikutseka.Kuchokera pa chipangizo chapadziko lonse lapansi chotsekera ma valve kupita ku zida zakukula kwake, zogulitsa zathu zimatsimikizira kuti ma valve anu ndi otetezeka.Amapangidwa kuchokera ku pulasitiki yokhazikika ya ABS ndipo amaphatikiza zilembo zochenjeza mu Chitchaina ndi Chingerezi.