Shower curtain opens, closes:
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Squatting the Mat (1.5 seconds)
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Cover open, close, Suitcase
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Old bike
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Cut the air with a whip
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Metronome
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Chemistry, stir the liquid in a beaker
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Blow into the microphone
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Air conditioning,, The noise of the room
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Lock gate open
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Robot heartbeat
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The noise of the room in the hangar for
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Squatting the Mat (0.5 seconds)
★★★★★