| http://www.w3.org/ns/prov#value | - The study was undertaken by the National Institute of Standards and Technology (NIST), the U.S. Commerce Department agency responsible for building and other safety codes and standards. ??? An airplane crash and subsequent fire are not sufficient cause to bring down the towers, not even when combined with the presumed dislodging of fireproofing that protected the core steel beams in the areas in wh
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