Assertion: airfoil's edge | /r/CapableOf | change the airfoil shape
Facets:
value: literally
type: MANNER
value: into the classic concave form
type: OTHER
Source sentences:
text: Leading edge (Kreuger) flaps and trailing edge (Fowler) flaps, when extended from the basic wing structure, literally change the airfoil shape into the classic concave form, thereby generating much greater lift during slow flight conditions.