Kayak Building Bulletin Board Old Message Archive

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Re: original sources

Posted by: Nolan on December 16, 1999


> As i have heeerd expoxy vapurs ar heaviur than air so stay standing,

If you trust in that, you may die from it some day.

Gasses do not fall like lead shot, nor do they lay on the ground like rocks. It is a very gradual sinking, if at all depending on the difference in density to air. And it is very easily stirred up into your face and above by any air currents. Be they from breezes, fans, or the action of your walking.

Gasoline vapors are heavy, and you can smell them quite clearly when you fill up a lawnmower. CFC's are heavier then air too, and it floats all the way up into the upper atmosphere. In fact, air itself is made up of many gasses, some heavier and some lighter then the average density of air, yet they all still mix pretty homogeniously.


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