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viernes, 9 de diciembre de 2016

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Why Are Those Beams Used In Buildings Shaped Like An I?

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Why Are Those Beams Used In Buildings Shaped Like An I?

Even though I-beams form the basis for the world's largest structures, we have no idea why they are shaped the way they are. Luckily, Real Engineering is here to explain.

Fecha: December 9, 2016 at 12:55PM
via Digg: http://ift.tt/2givptL


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