On Wed, 18 Jun 2003 at 08:36:41, Norman Dunbar wrote:
(ref:
<[EMAIL PROTECTED]>)
>
>Hi Roy,
>
>>> 90% of the time, when you do this, it is OK - on the odd occasion though
>>> the mixture of Air to gas is just right to explode in the bunsen burner.
CO2 mainly - so no explosion.
All it did was make the teachers demo burner go out.
Some classes connected to water!!!!
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