A secondary gas stream is diverted from the total discharge from the initial cooling stage and is directed counterflow to the total stream at the opposite absorbent surface of {HEAD ~ the heat exchange element} to cause {TAIL ~ heating} and humidification of the secondary stream 
to cause
A secondary gas stream is diverted from the total discharge from the initial cooling stage and is directed counterflow to the total stream at the opposite absorbent surface of { HEAD ~ the heat exchange element } to cause { TAIL ~ heating } and humidification of the secondary stream
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH