Assertion: jet aircraft | /r/CapableOf | use turbofan
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Jet fighters and other supersonic aircraft that do not spend a great deal of time supersonic also often use turbofans, but to function, air intake ducting is needed to slow the air down so that when it arrives at the front of the turbofan, it is subsonic.