Assertion: skate's wheel | /r/CapableOf | slide to either end of the arc
Facets:
Source sentences:
text: To allow the board to turn, the two men found that by mounting the axles at opposing angles, the wheels would go in a straight line when they were at the top of the arc and that when the wheels slid to either end of the arc they would have a curved relationship that would result in a turn.