Assertion: gyroscope | /r/CapableOf | engage to the base
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Source sentences:
text: In another implementation, an exemplary device is described to include a base reactive to an oscillating motion acting on the base; a gyroscope engaged to the base and operable to precess in response to the oscillating motion of the base when the gyroscope is spinning; an electromagnetic motor-generator to rotate and to generate electricity; and a coupling unit coupled between the gyroscope and the electromagnetic motor-generator to transfer the precession of the gyroscope to continuous rotation of the electromagnetic motor-generator, thus converting energy of the oscillating motion into electricity.