The noise of the elevator, knocking:
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Umbrella pulling telescopic tube
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Subject falls on gravel
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Surge, Energy surge
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Noise
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Bullet hit in metal
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The subject falls on the wooden floor.
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Bunsen Burner, Chemistry
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Burner, boiling liquid, Chemistry
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Balloon bursts
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Chemistry, stir the liquid in a beaker
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Take a towel from the heated towel rail
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Unscrewing and twisting the lid of the
★★★★★