While it is preferred, in {HEAD ~ the implementation} of {TAIL ~ a vehicle drive}, that the rotor surround the stator, other applications may find advantageous utility with the stator surrounding the stator 
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While it is preferred , in { HEAD ~ the implementation } of { TAIL ~ a vehicle drive } , that the rotor surround the stator , other applications may find advantageous utility with the stator surrounding the stator
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