About: http://webisa.webdatacommons.org/225338489

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 generally circular enclosed end is preferably fabricated from an elastomer such as a silicone elastomer which is preferably suitable for repeated penetration by the penetrating element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com