About: http://webisa.webdatacommons.org/113335207

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The bell mouth 26 is formed from sheet metal and fastened to the top wall 20 of the housing 12 by spot welding, rivets, or threaded fasteners such as screws, rivets or other suitable attaching means.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com