About: http://webisa.webdatacommons.org/156095621

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	Other metals such as tungsten or tantalum-silicon-nitride, titanium nitride, etc., could also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com