On Feb. 15 2010 the Discovery Channel had a show, Breaking Point, that plainly showed how to blow up a building with Propane, this was to show that they could extract the gas from the building before an ignition source caused an explosion. Seems strange that they would show an article of this signifigance, when anyone could realize that any building with a gas meter would have an ignition source inside ( furnace, hotwater tank, stove etc) Just thought I would send this along for your information.
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