NYTimes: Why the Mexico City Metro Collapsed

By KESLS RAM -
A good quality weld would not have failed like that," said Gary J. Klein, a member of the National Academy of Engineering and an executive at Wiss, Janney, Elstner, a firm that studies construction-related failures.

Why the Mexico City Metro Collapsed
https://www.nytimes.com/interactive/2021/06/12/world/americas/mexico-city-train-crash.html?referringSource=articleShare


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Best regards
Seetha Ram

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