About: http://webisa.webdatacommons.org/40881422

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	And here I am thinking a four bladed propeller might be worth investigating, unless cost is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com