About: http://webisa.webdatacommons.org/331107726

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	Surrounding a distal portion adjacent the first end 12 is an expandable membrane formed of rubber or synthetic resinous materials such as polyurethane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com