About: http://webisa.webdatacommons.org/178010794

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	Although various types of pumps may be used, with the pumps offering different gallon-per-minute (GPM) and pounds-per-square inch (PSI) values, advantageously, the pump is a positive displacement pump.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com