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View Diary: All Infrastructure Is Not Created Equal (284 comments)

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  •  reactive is not the word (0+ / 0-)

    concrete never stops hardening as long there is moisture. And from what I understand once it's in your lungs it's there for good.

    http://torturingdemocracy.org/

    by plok on Sun Dec 21, 2008 at 09:58:02 AM PST

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    •   Re-use means less energy use (0+ / 0-)

      The point about re-using concrete rather than landfilling it from demolition projects is that it eliminates another round of mining/fossil fuel burning to produce more cement.

      "Animals are my friends. And I don't eat my friends." -- George Bernard Shaw

      by Hudson on Sun Dec 21, 2008 at 09:10:57 PM PST

      [ Parent ]

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