Spaceship freezer, defrost process:
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Sound to start presentation
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Electronic melody for SMS alerts
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Defrost process, Spaceship freezer
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Hissing old tv
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An electric toothbrush
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Clothes dryer
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Air conditioning, on, off
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Air conditioning (outdoor unit)
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A vacuum cleaner
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Popcorn machine
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Read, Hard disk, spin
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Vibration noise, Faulty air conditioning
★★★★★