Lightsaber battle:
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The receptionist trolley passes by
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Elevator with hand doors, movement
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Wheeled Supermarket Cart
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Sine wave (975Hz)
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Noise
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The noise of the refrigerator, rooms,
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The noise of the room, electrical appliance
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Spray Shaving Foam
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Board falls
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The noise of the room, air conditioning,
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Metal shaking, Corridor noise
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The noise of the refrigerator room
★★★★★