SMS notification sound:
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Faulty air conditioning, vibration noise
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Fan blade rotation, air cut
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Air conditioning (outdoor unit)
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Android notification sound
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Portable fan
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On, off, Air conditioning
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Off, Computer turning on, humming fan
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Electronic melody for SMS alerts
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Windows notification sound
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Sewing machine
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Defrost process, Spaceship freezer
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Electric wheelchair
★★★★★