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Then, my challenge to you is for you to post the time lines in these videos where demo explosions are heard. Failing to do so, you have no case. Now, let's get stared.
I have already done that, how many times are you going to post the same thing, you repeat your self over and over
if you look at the photos of wtc 7 it had like two very small fires. hardly going to make a steel building collapse.
Structural engineers who designed the Twin Towers carried out studies in the mid-1960s to determine how the buildings would fare if hit by large jetliners. In all cases the studies concluded that the Towers would survive the impacts and fires caused by the jetliners.