Indlela yokukhipha umoya webhethri yejeli ilawulwa yivalvu, lapho umfutho wangaphakathi webhethri ufika endaweni ethile, ivalvu izovuleka ngokuzenzakalelayo, uma ucabanga ukuthi isezingeni eliphezulu, empeleni isigqoko sepulasitiki.Siyibiza ngokuthi i-valve yesigqoko.Phakathi nenqubo yokushaja, ibhethri izokhiqiza i-hydrog...
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