_:vb50772880 . "Any device with two or more blades or vanes attached to a rotating shaft used to produce an airflow for the purpose of comfort, ventilation, exhaust, heating, cooling, or any other gaseous transport."@en . _:vb50772880 _:vb50767740 . . _:vb50772879 _:vb50772878 . _:vb50767579 . _:vb50767579 . _:vb50767740 . "Fan" . _:vb50767579 . _:vb50767740 . _:vb50767740 . . _:vb50772878 _:vb50772880 . . _:vb50772878 _:vb50767579 . . _:vb50772879 . _:vb50767740 . . _:vb50767579 .