Alarm

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Silence Any False Alarms
If you can't find a cause for your chirping fire alarm—the oven's not even on, and the batteries are new—it's time to whip out the canned air. Yes, that spray bottle you use to clear crumbs off your keyboard. Use it to blast a little air around the perimeter of the alarm, Mills says. Dust can get stuck in the vents, triggering the alert.
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