Electromechanical alarm:
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Aircraft carrier chemical alarm
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Spacecraft alarm
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Electronic alarm
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Factory, Alarm in a factory, guarded facility
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Police ambulance rides by with a siren in
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Smoke signal
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Alarm, Robbery, Alarm
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Alarm, danger of collision on a ship
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Military alert
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Car alarm
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General alarm on the ship
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Electromechanical alarm
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