Two electromagnets have {HEAD ~ coil windings} with {TAIL ~ respective cores} ending adjacent the teeth to provide magnetic fields between the core ends and the teeth 
with
Two electromagnets have { HEAD ~ coil windings } with { TAIL ~ respective cores } ending adjacent the teeth to provide magnetic fields between the core ends and the teeth
OTH OTH OTH 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