The rod is formed of an alkaline metal alloy that has been tempered to provide {HEAD ~ the rod} with {TAIL ~ sufficient strength} and decreased weight 
with
The rod is formed of an alkaline metal alloy that has been tempered to provide { HEAD ~ the rod } with { TAIL ~ sufficient strength } and decreased weight
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH