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