The Dryair system is based on the principle of heat transfer from the water to the air, thus the greater the difference between the air passing over the coil and the water temperature passing through the coil, the greater the transfer of heat. More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.