Spaceship freezer, defrost process:
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Fan blade rotation, air cut
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Sound to start presentation
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Off, humming fan, Computer turning on
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Off, on, Air conditioning
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Cool sound for notification
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Popcorn machine
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Electronic melody for SMS alerts
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Vibration noise, Faulty air conditioning
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Electric razor
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A vacuum cleaner
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SMS notification sound
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Off, Old tv on
★★★★★