About: http://webisa.webdatacommons.org/212915545

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	material such as steel or other metal, polyvinylchloride (PVC) or other plastic, fiberglass, or silicone, or of semi-rigid material such as rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com