Re: Esplosioni al WTC
Inviato da Ashoka il 19/9/2006 12:39:20
Ti sei dimenticato la frase precedente 
Sarà un caso? Eppure non sei uno sprovveduto
In addition the outside of each tower was covered by a frame of 14-inch-wide steel columns; the center of the steel columns were 40 inches apart. These exterior walls bore most of the weight of the building. The interor core of the buildings was a hollow steel shaft, in which elevators and stairwells were grouped.
Ashoka
Sarà un caso? Eppure non sei uno sprovveduto
In addition the outside of each tower was covered by a frame of 14-inch-wide steel columns; the center of the steel columns were 40 inches apart. These exterior walls bore most of the weight of the building. The interor core of the buildings was a hollow steel shaft, in which elevators and stairwells were grouped.
Ashoka
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