About: http://webisa.webdatacommons.org/358984968

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	2 may be made from any suitable resilient material such as plastic, rubber, stainless steel, nitinol, and the like, and is preferably a biocompatible material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com