STEEL CONSTRUCTION BUILDINGS COLLAPSE FROM FIRE ALONE
Steel Has Been Known for Centuries as the SECOND WORST Building Material to Surive a Fire
EXPERTS: Steel as a Construction Material Turns to "PLAYDOH" at 500 Degrees Celsius -- Fires in WTC reached 1,600 degrees Celsius (2,900 degrees Fahrenheit).
The Fire-trap Modern "Sky-scraper" by William Sooy Smith (analyzing collapses of many steel buildings)
Steel highway bridge partially "melted" -- i.e., sagged -- by ordinary diesel fuel fire (fuel truck fire)
STEEL CONSTRUCTION BUILDINGS COLLAPSE: Kader Industrial Factory (1993)
1993: 3 Buildings Constructed from Steel COLLAPSE on the SAME DAY: Kader Toy Factory
BUILDINGS CONSTRUCTED FROM STEEL COLLAPSE IN FIRES: "Fireproof" Post & McCord Steel building WARPED by heat of fire (Building's Owner was a steel construction firm)
ANOTHER STEEL BUILDING COLLAPSED IN FIRE:
CHICAGO'S McCORMICK EXHIBITION HALL Collapsed From Ordinary Fire Alone in 30 Minutes in 1968
NOTE that High-Rise Buildings Carry Far More Weight Than Low-Rise Buildings. So a High-Rise Building Will Collapse More Easily, Faster, and More Completely than a Low-Rise Building

STEEL BUILDINGS COLLAPSE IN FIRES: Fire Protection Engineering Magazine (22 collapses of steel buildings in fires)
NASA: "A typical house fire can reach 2000 degrees Fahrenheit after just five minutes of flame."
SAGGING Steel Floors from Heat Started the Collapse of WTC Twin Towers
Sudden, Total Collapse Occurred in Steel Construction Lian Yak Building (Hotel New World) at 305 Serangoon Road in Singapore in 1986.
Complete Collapse of Steel Frame L'Ambiance Plaza in 1987: Photo Essay
US Fire Administration Report of Steel Building Collapse in Lancaster, Pennsylvania
DID CONTROLLED DEMOLITION SINK THE TITANIC? H.M.S. TITANIC was DESIGNED to be Unsinkable
Chemical Reactions at 1,000 degrees C Rapidly Degraded Steel in WTC Building 7
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