Assertion: turbine's system | /r/CapableOf | comprise a tail fin
Facets:
value: in their simplest form
type: MANNER
Source sentences:
text: In their simplest form these system comprise a simple roller bearing connection between the tower and the nacelle and a tail fin mounted on the nacelle and designed in such a way that it turns the wind turbine rotor into the wind by exerting a "corrective" torque to the nacelle.