About: http://webisa.webdatacommons.org/147786959

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	When the second connecting arrangement or cable 18 is pulled, either manually by a pilot or other person or automatically through well-known mechanisms, the secondary valve opens, as previously described.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com