I'm not, but Why can't I

["BOB NOGUEIRA" <nogera@Prodigy.Net>]

Looking through tool wish books I noticed that the air supply units used for
supplying breathing air while spray painting are pretty expensive for
something that does only one thing, pump  air.  There must be a very good
reason why I've never seem a  "Build your own Portable Breathing Air
Compressor " ?
Aren't they basically  a Vacuum Cleaner set up on 'blow' ?
 This is one of those things that seems so simple that I figured people
would be doing it big time  but since  I've never heard of anyone who has
done it  I figure that there must be some good reason like DEATH involved
Anyone know why its not done ?

Bob Nogueira ( A guy who likes to know why )

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