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