The shield is comprised of a pair of {HEAD ~ crescent shaped panels} joined together by heating {TAIL ~ the panels} to form a concave seam 
joined together by heating
The shield is comprised of a pair of { HEAD ~ crescent shaped panels } joined together by heating { TAIL ~ the panels } to form a concave seam
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH