About: http://webisa.webdatacommons.org/258911233

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	Generally cylindrical side portion 55 and generally circular end portion 60 are preferably formed integrally from an elastomeric material, such as a silicone elastomer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk