describe me more roughly speaking baffle and spray tower?

describe me more roughly speaking baffle and spray tower?

I don't know why you enjoy this under Computer>Hardware> General Hardware, but I'm going to answer it anyway, because I am proficient surrounded by Internet research, I simply Googled "baffle, spray tower" and got this link-



http://72.14.203.104/search?q=cache:a5rm...



Apparently, they are two kind of pollutant removal processes.