Today, it resides behind a thick steel door, down in the bowels of the Folger Shakespeare Library, in Washington, D.

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An impressive 3-ton steel and concrete bank vault door is useless if the back of the vault is made of drywall.

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It wasn't until the afternoon of Wednesday, April 25, that an agent opened the steel door to Chong's cell and found the handcuffed student, Iredale said.

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Only one-third of the home is visible, since the rest of the rooms are underground and accessible only through a steel-bolted door.

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At TWB Co. a single laser welds steel sheets of different properties into a single raw sheet that Cadillac can have stamped into a door panel without any of its own welds.

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