About: http://webisa.webdatacommons.org/355283291

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	Any metal such as Aluminum (Al), Titaniun (Ti), Tungsten (W) or Copper (Cu) can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com