About: http://webisa.webdatacommons.org/57273409

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	Pretest pistons, sensors, fluid analyzers and other devices may be positioned along various flow lines to measure various parameters of the fluid and/or perform tests.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com