About: http://webisa.webdatacommons.org/163124127

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	Examples of such closure apparatus or mechanisms include, but are not limited to valves such as check valves, clipping mechanisms, plugging mechanisms, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca