About: http://webisa.webdatacommons.org/300493703

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	In order to prevent the spread of fire, fire resistant materials which include steel and other opaque materials, and intumescent materials have been incorporated in doors, windows, and partitions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca