About: http://webisa.webdatacommons.org/424036295

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	Lead layers 2402 and 2406 may be made of any suitable conductive material, such as gold, tungsten, rhodium, or tantalum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com