Assertion list for term "free to rotate".

Results from Ascent++: 6
wheel ReceivesActionfree to rotate 0.59
gear ReceivesActionfree to rotate 0.32
disc ReceivesActionfree to rotate 0.30
pipe ReceivesActionfree to rotate 0.29
bearing ReceivesActionfree to rotate 0.27
sphere ReceivesActionfree to rotate 0.25