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steel sulphidation

  1. leftysergeant

    Bent bolts and CD theory

    Going through some of SlimeBuster's vids on YouTube, I noticed something which may address the question of the use of explosives, at least on the perimeter columns, of the towers. http://www.youtube.com/watch?v=gJd7Smu0k7M At about 6:00 to 6:45, he shows several perimeter columns from the ends...
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