This permits the heat remaining in the high purity steam leaving {TAIL ~ the turbine} to be used in heating the low purity water to be consumed in {HEAD ~ the process chamber} 
This permits the heat remaining in the high purity steam leaving { TAIL ~ the turbine } to be used in heating the low purity water to be consumed in { HEAD ~ the process chamber }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD