About: http://webisa.webdatacommons.org/157070951

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	Exemplary materials include polymers such as polyurethane and polyetheretherketone (PEEK???), and metals such as stainless steel and Nitinol.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com