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There is no way the first tower (that collapsed) could collapse on it's own so quickly after being hit. It was the last hit (by the 2nd plane) and the first to go.
Steel doesnt melt till around 2800+ degrees. There is no way the steel frame heated that quickly throughout the building.
Steel frame structures do not pancake like a house of cards (or exactly like one under demolition).
Steel structures have burned for many hours and never once fell before. One in Japan was engulfed for over 18 hours and never fell. (as the vid above prob tells, did not view it, no need) This one burned for 45 mins (approx) and collapsed.
Acetylene torches are used to melt and cut hardened, high carbon steel (like frames in buildings) at over 2800 degrees, (blue-white flame, acetylene cutting torch, remember shop class?)
Normal fire like the one from Jet fuel burns around 1200 degrees.
These are all facts.
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