The foregoing objects of the invention are achieved by the use of {HEAD ~ an automatic bundle assembly machine} which takes a plurality of nuclear fuel rods containing various fuel enrichment and {TAIL ~ additive levels}, identifies each rod and then inserts it in the appropriate fuel bundle coordinate position 
The foregoing objects of the invention are achieved by the use of { HEAD ~ an automatic bundle assembly machine } which takes a plurality of nuclear fuel rods containing various fuel enrichment and { TAIL ~ additive levels } , identifies each rod and then inserts it in the appropriate fuel bundle coordinate position
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