Air conditioning, on, off:
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Defrost process, Spaceship freezer
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Vibration noise, Faulty air conditioning
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Humming fan, Computer turning on, off
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Windows notification sound
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Popcorn machine
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Exhaust fan
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IPhone notification sound
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SMS notification sound
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Android notification sound
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Electric wheelchair
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Air cut, Fan blade rotation
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Clothes dryer
★★★★★