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And when it stops, the tunnel is stable, and can be permanently lined with concrete
Full Transcript
00:00:01.000 --> 00:00:03.085
And when it stops,
the tunnel is stable,
00:00:03.016 --> 00:00:06.999
and can be permanently
lined with concrete.
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Movie Summary
With access to all phases of design and a large cast of experts, some of the great failures of engineering history are uncovered.