About: http://webisa.webdatacommons.org/268415081

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	Further, the conductor layers may be made using a material such as aluminum, silver, or iron in addition to the copper foils 31 d so long as they are conductors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com