Biyu reshe fadada dakin kuma ake kira biyu reshe nadawa dakin, da yin amfani da galvanized high-ƙarfi square bututu, galvanized Angle baƙin ƙarfe da sauran haske karfe kayan yi firam, anti-lalata biyu mai gefe launi karfe hada farantin kamar bango, da bango. yin amfani da maɗaukakin ƙarfi mai ƙarfi tsakanin firam don haɗawa sama, bayan lissafin kimiyya, na iya faɗaɗa sararin gidan da sauri.Wurin da aka faɗaɗa gidan yana kusan sau uku girma fiye da kafin haɓakawa.Zai iya yin ƙafa 20, ɗakin faɗaɗa ƙafa 40, kuma ana iya keɓance shi bisa ga bukatun abokin ciniki.Wani nau'i ne na gidaje tare da babban abun ciki na fasaha a tsakanin gidajen kwantena masu rai.
Dakin fadada reshe biyu yana amfani da hinge don haɗawa a gaban bango, kuma ƙarar bayan matsawa yana raguwa sosai, wanda ya dace da sufuri.
