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:
Funnel vs. Fume Hood
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27
2007-11-20, 5:52pm
beadworkstudio
Sheila
Join Date: Nov 27, 2005
Posts: 1,393
Quote:
Originally Posted by
Dale M.
Do smoke test with torch lit....
Smoke test indicates air flow, not total effectiveness..
Dale
That's what I was thinking. So how do we
really
know if our exhaust is effective?
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