Uhh.... I have read a plethora of articles, and I know somebody who works in a metal forging plant making steel. Plus, all of uncles on my mom's side of the family were or are steel workers.
About your source, at the website it clearly states that it is a "mirror of “NERDCITIES/GUARDIAN” site."
"DISCLAIMER
9-11 Research provides this mirror of the nerdcities/guardian site as a public service, without permission of the author, who remains anonymous. 9-11 Research did not have any role in the authorship of the nerdcities/guardian site, and does not endorse many of the conclusions expressed therein. We do agree with the following conclusions, based on our independent analysis (Dead Link) of evidence:
> The Twin Towers and Building 7 were destroyed through controlled demolition. > NORAD's lack of effective response is inexplicable unless it involved deliberate sabotage from within. > The alleged hijackers were at most patsies. "
At That Site there is this:
" 9-11 Research Mirrors
9-11 Research posts edited partial mirrors of certain websites for either of two reasons:
> The original website either disappeared or does not have a permanent home. > The website has a permanent home but it has usability problems that are addressed by minor design changes. "
Hmm........
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