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