I-Valve yeSango eQinisekayo
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Ivalvu yesango ezinzileyo
Funda ngokugqithisileyoIvalvu yesango ehleli phantsi ehlala ixesha elide yivalvu yesango le-wedge, kwaye ifanelekile ukusetyenziswa namanzi kunye nolwelo olungathathi cala (i-lindle).
