About: http://webisa.webdatacommons.org/275137441

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	Also, a coil or other spring can be provided in the swirl chamber 16 to help speedily force the ball valve 12 back to its valve seat 14 when the vibration of the nozzle is stopped.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com