Assertion: andean condor's feather | /r/HasProperty | utilized by aeronautical researchers
Facets:
value: because of size
type: CAUSE
value: frequently
type: TEMPORAL
value: because of their stability
type: CAUSE
value: in wind-channels
type: LOCATION
Source sentences:
text: These feathers are frequently utilized by aeronautical researchers in wind-channels because of their stability and size.