[AT] oil change

[Mike Sloane]

Actually, Larry, you are left with more than "just nitrogen" - while 
nitrogen is most of what's left, there is also carbon dioxide, argon, 
neon, helium, methane, and krypton, and maybe some other stuff I have 
forgotten.

Mike

Larry D Goss wrote:
> Question of the day -- does carburetor icing occur on fuel injected engines? 
> :-)
> 
> The fact that temperature changes with rapid changes in pressure is 
> fundamental to the manufacture of liquid oxygen, liquid nitrogen, and the 
> operation of most refrigeration and air-conditioning systems.  When we lived 
> in the Kanawha valley of West Virginia, there was a liquid oxygen plant 
> located three or four miles from where we lived.  The big compressors were 
> always running when we drove by in the morning.  You could hear them nearly 
> a mile away.  The first product to fall out of air (after the particulates) 
> is water.  Oxygen comes after that, and then you're left with just nitrogen.
> 
> Larry