About: http://webisa.webdatacommons.org/335437249

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	As shown in FIG. 2, a lever 45 in the form of a cylindrical stem is journalled in the sealing member 25 by a ball 46 that is preferably made of plastic, such as Delrin, and seats against a spherical seat 47.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com