[SmithL]

It seemed to fit on this thread, too.

[backhoe]

Thanks for using that click the pic graphic... I had to hunt back thru several hundred replies, but I finally found "Aw, Jeez!"

Been a welder since the 1960's, and I can tell you when steel is heated a few hundred ( let alone a couple of thousand ) degrees, it loses much of its strength. Fire pancaked those buildings- nothing more to it.