About: http://webisa.webdatacommons.org/139720726

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	Typical devices for creating reverse pressure differential include, but are not limited to at least one of a pump such as a peristatic pump, a valve such as a check valve and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr