About: http://webisa.webdatacommons.org/183554149

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	Note: the pumping speed must remain constant, i.e. the system must not regulate pumping speed to maintain constant pressure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr