{HEAD ~ 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 the heat exchange element to cause {TAIL ~ heating} and humidification of the secondary stream 
{ HEAD ~ 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 the heat exchange element to cause { TAIL ~ heating } and humidification of the secondary stream
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