Assertion: chainsaw's engine | /r/CapableOf | drive the chain
Facets:
value: by a centrifugal clutch
type: MANNER
value: around the track
type: LOCATION
Source sentences:
text: The engine drives the chain around the track by a centrifugal clutch, engaging the chain as engine speed increases under power, but allowing it to stop as the engine speed slows to idle speed.