Explosive Ejections of Dust and Pieces
- Thick dust clouds spewed from towers in all directions,
at around 50 feet/second.
- Solid objects were thrown ahead of the dust --
a feature of explosive demolition.
- The steel was thoroughly cleansed of its spray-on insulation.
- Some pieces of the perimeter wall were thrown laterally 500 feet.
- Energetic ejections of dust occurred below
the rapidly descending demolition wave in each tower.
- Squib velocities exceeded 200 feet/second.
- Aluminum cladding was blown 500 feet in all directions.
Each tower exploded in a smooth wave --
not discrete explosions,
but a continuous wave of explosive destruction
that moved down the tower.
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