I-valve ye-diaphragm
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ngqo nge-valve ye-diaphragm
Sethula i-valve yethu eqondile nge-diaphragm.Ukusebenza okuphakeme, ukwethembeka kanye nokuguquguquka kwaleli valve enqenqemeni kuyenza ibe yingxenye ebalulekile yokusetshenziswa kokuphathwa koketshezi ikakhulukazi embonini yokucubungula izimayini.
