March 6, 2002

2002-04-04T12:10:55-05:00

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Civil engineers and others testified about the collapse of the World Trade Center towers after the September 11 terrorist attack and how the structures failed. They also talked about federal regulations that might help prevent such failures and about problems encountered in obtaining materials from the World Trade Center for testing.

Civil engineers and others testified about the collapse of the World Trade Center towers after the September 11 terrorist attack and how… read more