I-1, Uma ufaka i-valve, udinga ukuhlanza indawo engaphakathi nendawo yokuvala, kungakhathaliseki ukuthi amabhawodi okuxhuma aqiniswe ngokulinganayo, futhi uhlole ukuthi ukupakisha kucindezelwe yini.2, ukufakwa kwe-valve kusesimweni esivaliwe.3, i-valve yesango yosayizi omkhulu, i-pneumatic...
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