Assertion: airfoil | /r/HasProperty | wing
Facets:
Source sentences:
text: Perhaps the explanation to the whole riddle can best be reduced to its most elementary concept by stating that lift (flight) is simply the result of fluid flow (air) about an airfoil - or in everyday language, the result of moving an airfoil (wing), by whatever means, through the air.
text: An airplane uses thrust from the engines to push the airfoil (wings) forward through the air, the air then flowing over(lower pressure) and under them (higher pressure) produces lift.