The following is the url that briefly touches on some cooling systems.
http://blog.cnccookbook.com/2015/05...ail&utm_term=0_df8004b230-81bb4a9be0-45833433
http://blog.cnccookbook.com/2015/05...ail&utm_term=0_df8004b230-81bb4a9be0-45833433