About: http://webisa.webdatacommons.org/111578761

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	I know on aircraft there is a system to run the hydraulic system on the ground by either the auxiliary pump (electrical and is run from internal batteries) or by an external source called a hydraulic mule.
http://www.w3.org/ns/prov#wasQuotedFrom	collectspace.com