About: http://webisa.webdatacommons.org/75473575

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 upper and lower electrodes may be formed of any suitable material such as graphite, silicon, silicon carbide, aluminum (e.g., anodized aluminum), or combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com