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WillowTheWhisp · 07-10-2004, 18:40

So how does a duct differ from a tunnel?

Do you remember the scrapyard which was on top of a culvert (now, is a culvert a tunnel or a duct?) at Church and collapsed into it?

07-10-2004, 18:40	#9
WillowTheWhisp Resident Waffler Join Date: Jun 2004 Location: Accrington, Hyndburn Posts: 18,142 Blog Entries: 14 Liked: 14 times Rep Power: 1062	Re: Q. When is a tunnel not a tunnel? So how does a duct differ from a tunnel? Do you remember the scrapyard which was on top of a culvert (now, is a culvert a tunnel or a duct?) at Church and collapsed into it? __________________