Ukuhlaziywa kwesici seI-valve yesiShayina: isakhiwo siyinkimbinkimbi kakhulu futhi ukunakekelwa akulula
I-valve yesiShayina iyimishini yokulawula uketshezi esetshenziswa kakhulu, ukwakheka kwayo kuyinkimbinkimbi kakhulu, ukuphazamiseka kwesondlo kungenye yamaphutha ayo. Lesi sihloko sizohlaziya amaphutha weI-valve yembulunga yaseChinangokombono wezobuchwepheshe.