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tombola

25th March 2015, 17:03
Been stuck on this one all flaming day.
Filter air in public place. 4,3

T-n- out
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rusty

25th March 2015, 17:05
Tone out.
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rusty

25th March 2015, 17:05
Oops!
Tune out
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tombola

25th March 2015, 17:31
Thanks Rusty

I thought tune out because of the word 'air' but couldn't really justify it.
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rusty

25th March 2015, 17:34
It was originally used in USA, I think, for tuning in/out radios. Getting rid of interference.
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