Assertion: electric toothbrush's head | /r/MadeOf | 6-10 tufts of bristles
Facets:
Source sentences:
text: Counter-rotating: The head contains 6-10 tufts of bristles, each one spinning in the opposite direction to its neighbor.
text: The head contains 6-10 tufts of bristles, each one spinning in the opposite direction to its neighbor.
text: Counter-rotating: The head contains 6-10 tufts of bristles, each one spinning in the opposite direction to its neighbour.
text: The head contains 6-10 tufts of bristles, each one spinning in the opposite direction to its neighbour.