A spindle of the magnetic core has {HEAD ~ first and second flat surfaces} extending perpendicular to {TAIL ~ a direct axis} of the magnetic core 
extending perpendicular to
A spindle of the magnetic core has { HEAD ~ first and second flat surfaces } extending perpendicular to { TAIL ~ a direct axis } of the magnetic core
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH