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Ufa Wosavuta Wamakono Wa Aluminiyamu Wopaka Pamwamba Pamwamba Mtundu Wokhazikika Wamagetsi Otsegula Skylight
Kufotokozera Kwazinthu Kuwala kwapadenga ndi denga lagalasi lomwe limayikidwa padenga.Lili ndi ntchito zambiri monga mpweya wabwino, kufalitsa kuwala, kutulutsa utsi komanso kuteteza mvula.M’chilimwe kotentha, anthu amatha kusangalala ndi mpweya wozizirira m’nyumba.M'nyengo yozizira, imatha kuunikiridwa ndi kutentha kwa dzuwa.Chifukwa chake, mankhwalawa amakondedwa komanso okondedwa ndi ogula.Kuyesedwa kwa Satifiketi molingana ndi NFRC / AAMA / WNMA / CSA101 / IS2 / A440-11 (NAFS 2011-North America fenestration stan...