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