About: http://webisa.webdatacommons.org/173328804

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 pressure may be applied by a number of means, such as a spring and plunger system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com