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