| 41. | Five weeks ago, she endured a devastating false alarm.
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| 42. | Sometimes, floating coconut shells or cans cause false alarms.
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| 43. | _Research improved emission sensors that issue fewer false alarms.
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| 44. | He'd been getting false alarms on his security system.
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| 45. | They swept the whole area and said, false alarm.
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| 46. | Still, she said, responding to false alarms drains resources.
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| 47. | For all that smoke, it is a false alarm.
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| 48. | Usually, these things turn out to be false alarms,
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| 49. | At least, astronomers think it was a false alarm.
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| 50. | "Is this a false alarm ? " she asked.
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