About: http://webisa.webdatacommons.org/272211867

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 fluid can be air, for a pneumatic device, or any liquid, such as water or oil, e.g., mineral, hydrocarbon, or vegetable oil, for a hydraulic device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com