The evaporative cooling system 3 wherein {HEAD ~ the corrosion resistant coating} comprises {TAIL ~ a multi layer coating} 
comprises
The evaporative cooling system 3 wherein { HEAD ~ the corrosion resistant coating } comprises { TAIL ~ a multi layer coating }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL