About: http://webisa.webdatacommons.org/155681330

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 faces are generally formed from sheet metal such as steel said faces sandwich insulating foam such as polystyrene foam therebetween to form an insulated panel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com