Passing through the assembly of modules 1, at {HEAD ~ the level} of the respective adiabatic chambers 13, are {TAIL ~ a pair} of water supply pipes 19, attached to which, in each chamber 13, are sprayers 21 in fluid communication with said pipes 19 
Passing through the assembly of modules 1 , at { HEAD ~ the level } of the respective adiabatic chambers 13 , are { TAIL ~ a pair } of water supply pipes 19 , attached to which , in each chamber 13 , are sprayers 21 in fluid communication with said pipes 19
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH