Assertion: motor's brush | /r/HasProperty | lifted short-circuited
Facets:
value: mechanically
type: MANNER
value: together
type: MANNER
Source sentences:
text: They started as repulsion motors, but once they were running at a sizable fraction of full speed, the brushes were lifted mechanically and all commutator bars were short-circuited together to create the equivalent of a squirrel-cage induction motor.