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