Umukandara wa beto
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Umuhanda wa Asfalt Crack Polyurethane Igikoresho kitagira amazi, Igipfundikizo cyamazi kitagira amazi, Igicapo cyurukuta Irangi Amazi Yumuriro, Igikoresho cya Pu kitarinda amazi, Igiti cyo hejuru cyamazi ya Polyurethane, Igipapuro gifunga kashe yo gufata neza umuhanda.
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Kwiyubaka-gusakara hejuru y'amazi adafite amazi