I've heard that some hand warmers use oxygen during the chemical reaction that makes them hot. Not sure if it's true for yours but might be worth considering when designing your temporary power-loss set up. Also make sure with a potential new generator that your CO detectors are functioning correctly. Pay attention to how your heat sources that use combustion are venting outdoors because poorly functioning ones produce carbon monoxide (deadly in smaller amounts) and efficient ones produce at least exhaust gasses which include carbon dioxide (deadly in larger amounts.) I hope you get at least a day off of your normal obligations!

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