About: http://webisa.webdatacommons.org/276819472

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 wiring material can include, for example, Cu, Al, Ag, Au and Ni.The second method is a subtracting process.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com