A total gas stream is subjected to initial sensible cooling along {HEAD ~ a moisture impervious surface} of {TAIL ~ a heat exchange element} 
of
A total gas stream is subjected to initial sensible cooling along { HEAD ~ a moisture impervious surface } of { TAIL ~ a heat exchange element }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL