About: http://webisa.webdatacommons.org/72047764

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 carbon may be any commercial one such as carbon felt etc., and the metal may be any metal with high conductivity such as gold, platinum, silver, lead, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com