{TAIL ~ The printed circuit board} has tip and ring conductive traces formed on {HEAD ~ its top surface} 
{ TAIL ~ The printed circuit board } has tip and ring conductive traces formed on { HEAD ~ its top surface }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD