About: http://webisa.webdatacommons.org/373490758

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	engineering materials such as steel and concrete, but also timber and cast/wrought iron.
http://www.w3.org/ns/prov#wasQuotedFrom	mottmac.com