Spaceship freezer, defrost process:
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Electric razor
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Android notification sound
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IPhone notification sound
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Electronic melody for SMS alerts
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Vibration noise, Faulty air conditioning
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Popcorn machine
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Portable fan
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SMS notification sound
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Whatsapp notification sound
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Air cut, Fan blade rotation
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Air conditioning (outdoor unit)
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Off, Computer turning on, humming fan
★★★★★