A lower tie plate and a series of {TAIL ~ fuel rod spacers} are positioned on a support table to receive {HEAD ~ the fuel rods} and hold them in a positioned array 
A lower tie plate and a series of { TAIL ~ fuel rod spacers } are positioned on a support table to receive { HEAD ~ the fuel rods } and hold them in a positioned array
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH