About: http://webisa.webdatacommons.org/434554871

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	For centrifugal pumps, where the suction level is under the pump, i.e. there is no inflow, and a foot valve cannot be used because of the high delivering capacity or other reasons, priming is necessary before starting.
http://www.w3.org/ns/prov#wasQuotedFrom	fao.org