About: http://webisa.webdatacommons.org/389590606

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	available only from a sole source or limited sources, especially major components such as wings, engines and avionics, which are co-developed with our suppliers and, therefore, are often sole-sourced with that supplier.
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov