The magnesium may be in the form of magnesium cadmium alloy, {HEAD ~ the temperature} being maintained below {TAIL ~ the temperature} at which magnesium and cadmium vaporize 
The magnesium may be in the form of magnesium cadmium alloy , { HEAD ~ the temperature } being maintained below { TAIL ~ the temperature } at which magnesium and cadmium vaporize
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH