About: http://webisa.webdatacommons.org/409083440

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 highly polished surface is a cobalt-chrome alloy, a titanium alloy or other biologically acceptable material capable of forming a smooth highly polished surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com