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Umuyoboro wa PVC umupira nigikoresho kinini cyagenewe kugenga amazi ukoresheje umupira uzunguruka hamwe na bore. Itanga igenzura risobanutse, rifasha abakoresha gutangira, guhagarika, cyangwa guhindura ibintu byoroshye. Iyi valve igira uruhare runini muri sisitemu yo kuvoma no gutemba, kwemeza imikorere no gukumira ...Soma byinshi»
