Although the reform area 16 as shown in FIGS 1 and 2 is oblong with {HEAD ~ a central area} 18, it is contemplated that the reform area can be of {TAIL ~ any size} or configuration 
Although the reform area 16 as shown in FIGS 1 and 2 is oblong with { HEAD ~ a central area } 18 , it is contemplated that the reform area can be of { TAIL ~ any size } or configuration
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH