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