About: http://webisa.webdatacommons.org/186434827

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	Compressed air or other pressurized gas is supplied to the actuator from a source 29 through a pressure regulator 31 and a solenoid operated control valve 32.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr