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Hi Aaron, thanks for your response :) On Fri, 2007-08-24 at 10:22 +0100, Aaron Trevena wrote: > On 24/08/07, Tom Potts <tompotts@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Thursday 23 August 2007 19:36, Ralph Smithen wrote: > > > > > Why did WTC7 collapse? > > > The stupidity there was simply cheap and nasty underengineering - the > > insulation was pathetic and so failed. > > I wouldn'y go that far - the buildings are designed to withstand > impact from a light aircraft - like a cessna (one of which I've flown > and can say quite truthfully that it sometimes felt like being a > ladybird blown about on a breezy day), as opposed to a fuel filled > passenger jet. Building something to withstand a large plane full of > fuel would be too expensive and impractical. The WTC construction manager DeMartini, in an interview before 9-11, said that the WTC towers were designed to withstand a fully loaded 707 crashing into them at any location. He believed they would hold after the impact of several jet liners. Here's the relevant clip: http://www.youtube.com/watch?v=scQPx539c7M Also, please note that WTC7 was *not* hit by a plane! > > There are a lot of major failures though - from failing to react to > the planes deviating from their course, Did you know there were military drills involving live fly simulated hijackings and the introduction of false radar contacts on ATC operators' screens that day? http://www.usatoday.com/news/washington/2004-04-18-norad_x.htm Alex Jones on NORAD drills (10m49s but quite illuminating) http://www.youtube.com/watch?v=J9Efes-rNnI Digressing slightly, there were anti-terrorism drills on 7-7-2005 based on simultaneous bombs going off at the same stations at the same time in London. Here's P. Power's (ex-Scotland Yard) interview the same day. http://www.youtube.com/watch?v=JKvkhe3rqtc These drills sow helpful confusion, and of course any operatives caught by the many decent and upstanding members of the law enforcement and intelligence communities can simply claim to have been taking part in them. Additionally, the testimony of Mineta (erstwhile Transportation Secretary) before the 911 Commission suggests that Cheney countermanded the standard operating procedure of shooting down hijacked planes. http://www.youtube.com/watch?v=bDfdOwt2v3Y > to not evacuating people from > an area full of toxic dust, to putting people in a building they can't > escape from in the event of disaster. > > A. Yes, the towers were full of asbestos (which would have cost millions of dollars to remove), computers, and many other sources of extremely hazardous substances aerosolised when the towers were reduced to fragments and powder. Those first responders and rescue workers were very brave. It's a travesty they were instructed not to wear respirators for fear of alarming the public. http://wtceo.org/ Regards, Ralph. -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html