At least 57cm² ( 9in²) to outside
and two further vents in the compartment.
One low level, should be 352cm² (56in²)
and one at high level at least 176cm² (28in²)
Err.. I`d check over that statement if I were you.
Err.. I`d check over that statement if I were you.
Go on ............
So yes, I've checked it over.
Providing the compartment is to a room and not directly to outside, the statement, as far as I can read, is correct (to the book in fact).
Is there something I'm missing?
How old`s yer book ? Is that Corgi`s take on it.?
give your calcs then bamber
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