The absorber rod comprises cladding of stainless steel closed by plugs and containing a column of {HEAD ~ absorber pellets} e.g. of {TAIL ~ boron carbide} 
of
The absorber rod comprises cladding of stainless steel closed by plugs and containing a column of { HEAD ~ absorber pellets } e.g. of { TAIL ~ boron carbide }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL