Robot heartbeat:
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Instructor, Dance school, girls
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Bicycle rear wheel ratchet
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Chemistry, stir the liquid in a beaker
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Police whistle
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Pounding in the mud
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Ax strike on a wooden subject
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Removing bad words
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Wooden whistle
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Air conditioning,, The noise of the room
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Noise inside the spaceport
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Squatting the Mat (1.5 seconds)
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Lab accident
★★★★★