{HEAD ~ The magnetic properties} of {TAIL ~ the rotor} and cores are selected to insure that the pole strength in the teeth will be retained during the changes in electromagnet current 
of
{ HEAD ~ The magnetic properties } of { TAIL ~ the rotor } and cores are selected to insure that the pole strength in the teeth will be retained during the changes in electromagnet current
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH