An apparatus is provided for {HEAD ~ the automatic assembly} of nuclear fuel rod bundles in {TAIL ~ a predetermined coordinate array} 
An apparatus is provided for { HEAD ~ the automatic assembly } of nuclear fuel rod bundles in { TAIL ~ a predetermined coordinate array }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL