About: http://webisa.webdatacommons.org/177101892

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	In the more preferred version, the core is formed of a radiopaque and relatively ductile material, e.g. tantalum or platinum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es