About: http://webisa.webdatacommons.org/75873391

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 insulating bricks and fire bricks are composed of materials such as silica and alumina.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com