About: http://webisa.webdatacommons.org/412304063

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 positive pressure may be provided by any suitable fluid, including a gas such as air, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com