Assertion: electric toothbrush's head | /r/CapableOf | spin a quarter-turn
Facets:
value: in one direction
type: MANNER
Source sentences:
text: Oscillating With oscillating toothbrushes, the head (which is usually circular) oscillates back and forth, spinning a quarter-turn in one direction, then a quarter-turn back, or sometimes completing a whole circular motion in one direction.