The plate has {HEAD ~ upper 30 and lower 32 surfaces}, and {TAIL ~ a periphery} 34 
The plate has { HEAD ~ upper 30 and lower 32 surfaces } , and { TAIL ~ a periphery } 34
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH