{HEAD ~ The decorative panel} may be of uniform thickness or be recessed at {TAIL ~ its periphery} to fit the dimension of the flanges 
recessed at
{ HEAD ~ The decorative panel } may be of uniform thickness or be recessed at { TAIL ~ its periphery } to fit the dimension of the flanges
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH