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Old 01-12-2021, 07:21 PM   #17 (permalink)
JulianEdgar
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Quote:
Originally Posted by freebeard View Post
I'm not trying to be contrary. That's exactly what I'm fishing for asking.

How would a boxed cavity's effectiveness not be compromised by ventilation.
You're the one putting forward the proposition, not me! Your proposition was:

'perforating a boxed cavity seems counterproductive'

I wondered why you thought that, and I still do.
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