Group items tagged innovation center - Diigo In Education

shared by dawnprovost on 22 Jan 18 - Cached

- dawnprovost on 22 Jan 18
  
  Good information for the background paragraph of the essay.
  
  <div class="cArrow"> </div><div class="cContentInner">Good information for the background paragraph of the essay.</div>
  
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- dawnprovost on 22 Jan 18
  
  Use for background paragraph of essay.
  
  <div class="cArrow"> </div><div class="cContentInner">Use for background paragraph of essay.</div>
  
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Faced with the difficulties of building to unprecedented heights, the engineers employed an innovative structural model: a rigid "hollow tube" of closely spaced steel columns with floor trusses extended across to a central core. The columns, finished with a silver-colored aluminum alloy, were 18 3/4" wide and set only 22" apart, making the towers appear from afar to have no windows at all.
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shared by Siri Anderson on 02 May 18 - No Cached

shared by lacarp on 13 Feb 17 - No Cached

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