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  1. What is the difference between the footing and the foundation of a structure? Posted April 24, 2012 - 08:51 PM

    ... The footing of a structure rests directly on the Ground, whereas the fundation of the same structure goes under the ground. ...

  2. How many stairs are there in the Eiffel Tower? Posted March 19, 2012 - 04:55 PM

    ... There are 1665 steps, from the Ground to the top, but i'm not sure you can use all of them anymore, maybe they've bee ...

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