About: http://webisa.webdatacommons.org/252116073

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 controller is a linear actuator, such as a solenoid, which has a solenoid body 57 and a solenoid output shaft 58 extending therefrom and connected to valve control shaft 59.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com