I-Valve iyingxenye yokulawula ohlelweni lokuthutha lwamapayipi, olungasetshenziswa ukulawula ukugeleza komoya, amanzi, isitimu, imithombo yezindaba eyonakalisayo ehlukahlukene, udaka, uwoyela, insimbi ewuketshezi kanye nemidiya ekhipha imisebe. Embonini yezemithi, ukusetshenziswa kwama-valve kukhudlwana. Isibonelo, embonini yezemithi...
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