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How is the structure raised, every time a new section is to be installed ? Also, with every new section, the vertical load is always increasing - amazing that they can keep the structure so straight as it rises skyward.
That's what I was wondering as well. Surprised no one has answered.
How is the structure raised, every time a new section is to be installed ?
Also, with every new section, the vertical load is always increasing - amazing that they can keep the structure so straight as it rises skyward.
That's what I was wondering as well. Surprised no one has answered.