U-section malam buɗe ido bawul ne Bidirectional sealing, kyakkyawan aiki, karamin karfin juyi darajar, za a iya amfani da a karshen bututu don fanko bawul, abin dogara yi, wurin zama hatimi zobe da bawul jiki organically hade zuwa daya, sabõda haka, bawul yana da dogon. rayuwar sabis