As long as controller 62 determines that regeneration is not complete , {HEAD ~ controller} 62 may continue the regeneration process and monitor {TAIL ~ sensors} 84, 86, 88, 90, 92, 94, and 96 
monitor
As long as controller 62 determines that regeneration is not complete , { HEAD ~ controller } 62 may continue the regeneration process and monitor { TAIL ~ sensors } 84 , 86 , 88 , 90 , 92 , 94 , and 96
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH