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W/R shine takaitaccen maganin hana ruwa.W/P gajarta ce don hana ruwa.Yawanci ana ƙara mai hana ruwa tare da mai hana ruwa lokacin da aka siffata masana'anta.Bayan an bushe masana'anta, za a samar da fim din hydrophobic a saman masana'anta.Ta wannan hanyar, ɗigon ruwa ba zai ...Kara karantawa»
