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EXAMPLES FROM CORPUS
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Finally, an emergency lighting kit should always be ready in an accessible place, in case of a sudden power failure .
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Half way between Victoria and Gatwick there was a power failure , the lights went out and the train ground to a halt.
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It's only a power failure .
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The average freezer will keep food frozen for two days in the time of a blackout or a power failure .
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The last locally-caused power failure of greater magnitude was the Loma Prieta earthquake in October, 1989.
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This will prevent the loss of much of your work in the event of a power failure or other mishap.