About: http://webisa.webdatacommons.org/287988560

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	The valving function could be performed with some other type of valve, such as a ball valve, which has an off-center opening that can be moved into and out of alignment with an opening in a nozzle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de