Pele ho tsohle, ha u kenya li-valve tsa tšepe tse sa hloekang, ela hloko hore u se ke ua otla li-valve tse entsoeng ka thepa ea brittle;Joale, pele u kenya, hlahloba valve ea tšepe e sa hloekang, hlahloba tlhaloso le mohlala, 'me u hlahlobe hore na valve e senyehile;Taba ea bobeli, ela hloko ho hloekisa pipeline co...
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