Assertion: thrip's wing | /r/CapableOf | create a circulation of air
Facets:
Source sentences:
text: In the clap part of the cycle, the wings approach each other over the insect's back, creating a circulation of air which sets up vortices and generates useful forces on the wings.
text: In the clap part of the cycle, the wings approach each other over the insect's back, creating a circulation of air which sets up vortices and generates useful forces on the wings.