About: http://webisa.webdatacommons.org/443607870

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 former were used to insulate and the latter, such as copper and then aluminum, as conductors, typically in the form of wires.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org