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Uyilo lweSimbo saseMelika oluPhuphayo lweGlass Manual Crank ngaphandle kwefestile
INkcazelo yeMveliso I-Skylight ibhekisa kwiifestile (kubandakanywa neefestile ezisecaleni) ezivulwe ngokuyinxenye okanye ngokupheleleyo kumphezulu wendlu. Izixhobo ezisetyenziselwa ukukhanyisa, ukungena komoya kunye nezinye iinjongo zibizwa ngokuba yi "skylights". Ukufakela i-skylight kunokuphucula iimeko zomoya zendalo zezakhiwo kunye nokunciphisa umthwalo womoya womoya; Kwangaxeshanye, kunokwenza uphahla lufumane ugcino olusebenzayo lobushushu kunye nokugquma; Ukongeza, inokuhombisa imbonakalo...
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