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Why dig out and then fill in before building a large structure?
5 votes

If one side of foundation has soil packed more loosely than the other side, the foundation may cause the ground to sink, and building may crumble. Even if it has a steel-reinforced concrete foundation,...

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Why would you launch a large ship by dropping it sideways?
3 votes

End to end, it would bend and snap in half under its own weight. I know it's just a movie, but watch "Titanic" for a visual. The support required otherwise would be huge and expensive. A boat/ship ...

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