Assertion: glider | /r/CapableOf | use ridge lift
Facets:
Source sentences:
text: Once launched, gliders try to gain height using thermals, ridge lift, lee waves or convergence zones and can remain airborne for hours.
text: The glider will then gain height using ridge lift.
text: Once launched, gliders try to gain height using thermals, ridge lift, lee waves or convergence zones and can remain airborne for hours.