The coil assembly includes {TAIL ~ a bobbin} and {HEAD ~ a conductive wire} wound around the bobbin 
The coil assembly includes { TAIL ~ a bobbin } and { HEAD ~ a conductive wire } wound around the bobbin
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH