About: http://webisa.webdatacommons.org/436865225

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	When the electric circuit is broken, the solenoid or other linear actuator is deactivated which causes the piston to return to its original position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com