{TAIL ~ The PCB} 1 wherein the first material is positioned along opposed sides of {HEAD ~ the second material} 
{ TAIL ~ The PCB } 1 wherein the first material is positioned along opposed sides of { HEAD ~ the second material }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD