About: http://webisa.webdatacommons.org/251506678

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	The bladder could be composed of any resilient material, such as natural or synthetic rubber, silicone elastomer or a fluoroelastomer, or if rigid, be made of any rigid plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com