{TAIL ~ Each fuel rod} is identified during its travel and positioned according to {HEAD ~ an identifying code} carried on its lower end plug which designates the fuel enrichment and additive level of the rod 
{ TAIL ~ Each fuel rod } is identified during its travel and positioned according to { HEAD ~ an identifying code } carried on its lower end plug which designates the fuel enrichment and additive level of the rod
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH