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