Board falls:
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Electronic sounds
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Umbrella pulling telescopic tube
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Lightsaber battle
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Wheeled Supermarket Cart
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Daylight lamp, turn on, blink
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Passenger elevator, opening, closing doors
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Laboratory experiment
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Sounds of, voices, In the school corridor
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Surge, Energy surge
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Unscrewing and twisting the lid of the
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Corridor noise, metal shaking
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Room noise
★★★★★