About: http://webisa.webdatacommons.org/420386434

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	Before an engine starts there is a wooshing hissing sound as the starter duct fills with air and the start valve opens.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net