a unit including a plurality of {HEAD ~ magnets} supported on {TAIL ~ a yoke}, the unit including a molding support region; and 
supported on
a unit including a plurality of { HEAD ~ magnets } supported on { TAIL ~ a yoke } , the unit including a molding support region ; and
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH