About: http://webisa.webdatacommons.org/9785694

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	For simplicity, it is generally preferred to have the hollow tubular rim 18 contain a liquid such as a silicone fluid.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca