About: http://webisa.webdatacommons.org/415586700

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	However, materials such as iron, aluminum, copper, brass, lead, nickel, titanium, tantalum, zirconium, chromium and alloys thereof may be used under similar conditions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com