| http://www.w3.org/ns/prov#value | - The mutual motion between the work and the abrasive grains in the magnetic fluid can be made by a revolution, a reciprocation, a vibration or the other kind of motion of the work, by a motion such as a reciprocation, a revolution or a vibration of the magnetic fluid containing abrasive grains by actuating the magnetic field, by a motion of the floating pad or by a combination of those motions.
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