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