Yes i always thought this very odd as well. It was a favourite think in the
70s shows to see folk in ducts, Also it seemed the bad guy was always too
thick to spot the size of an air duct grille in a room. If I wanted to keep
somebody in, I'd make damn sure any screws on the grille were bloody tight.
Another oddity you often got was a spider in there is fit was a lady in the
duct, who bravely gritted her teeth to get past it, like how much of a
cliché was that?
Anyway, why did they need such big ducts in the first place?
Brian

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The Sofa of Brian Gaff...

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"alan_m" wrote in message
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Having seen 3 examples in the last couple of days - why in films when
people are crawling around ventilation ducts they are always spotlessly
clean and when emerging those wearing black clothing show no signs of any
dust?

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