I'll offer you all a thread and its posts which have a small audience, but should have great impact on the title of this thread :
First of all, one of the most important analysis of the famous WTC basement explosions by NK-44 at the Loose Change Forum :
The Basement Explosions. (and other floors)
z10.invisionfree.com...
It shows a tremendous effort from "NK-44" and "chopoz", and it will take you about 3 to 6 hours to read the 5 pages, and much more when you get
really interested, and follow all the links and read them too, and so on for their links again.
I am reading this master piece and its links for several weeks already.
It is the best example of a laborious work which should trigger a new 9/11 investigation.
And it clearly refutes all the "jet-fuel in elevator shafts explosions" posters in this thread.
Btw, all machine rooms of all elevator shafts were shielded with top-off caps with only a small square foot smoke venting grid in them. And these caps
were 3 feet above all the floor levels.
So, no chance in hell that jet fuel could have streamed inside one of the severed shafts high up at impact points, and then reach those shafts bottoms
at f.ex. floor 42, and then stream out of the doors there and as they propose, stream then in the next lower serving floors shafts.
Utterly impossible, the top caps from the lower shafts stood 1 meter high, exactly to stop water or other fluids to penetrate in lower shafts.
(There were three levels of shafts, from top to bottom., never saw fluid jump up 1 meter)
And you all should read that link I give you, and you will find that the only two top to bottom maintenance elevator shafts had cars in them, equipped
with mechanical safety breaks, which came in and functioned. They stopped.
And writing that an elevator car was exploding is plain ludicrous.
There were no elevator cars dropping down all the way to the Lobby level. The emergency safety brakes worked. They dropped no more than 10 to 12
floors. We have audio from NIST reports, from elevator mechanics, and elevator operators, a man and his wife, both operators in different ones, who
explain this.
But, to keep it short for now, just read the link.
And thou shall know the truth.
PS: A shaft with an elevator car in it, will not function as a facilitator for a fuel-air explosive mixture of jet-fuel and air. Its like a piston in
a cylinder. The piston will stop the ev. explosion power first, and then that power will build up and first destroy all the dry walls around the
shafts, thus bleeding off in a millisecond all overpressure.
PS2: Even when it occurred, it would have blown out FIRST all the dry/wall plates surrounding all the elevator shafts.
Fricken impossible to blow an elevator car on its brakes, downwards without even blowing one dry wall out, higher up, first.
Most of you have very poor logical argumentation skill. You should hone it with practicing a better and deeper research trajectory.
PS3: If you look up the specifications of a thermobaric explosion, you will find that exactly the burn marks from this man are one of those specs.
And