Flag flapping in the wind:
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Time Machine
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Hammering on construction debris
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Chemistry, stir the liquid in a beaker
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Lab accident
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Escalator
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Football bugle
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Beads and balls crumble
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Crashing,, Trash falling, metal rattle
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Rack destruction, Trash falling
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Electronic bird singing
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The sound of the bomb timer
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Dragging an item on a concrete floor
★★★★★