About: http://webisa.webdatacommons.org/135124729

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 device shown below is a mechanical device that lets air into the pump in the advent of entrapment and automatically resets itself - there
http://www.w3.org/ns/prov#wasQuotedFrom	swimming-pool-information.com