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