A Conversation for Manhole Covers
gunhole covers
Rumbleghost Started conversation May 30, 2006
When handguns became a restricted weapon in Canada, most of the collected weapons were melted down and ended up as manhole covers.
Or, so said my highschool law teacher, once upon a time...
Goofy and unreferenced, but it seemed to fit in with your interesting facts list.
Good article 
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gunhole covers
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