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2. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

   www.aol.com/10-signs-heater-isn-t-200000044.html

   Turn it to the off setting and wait about 5 to 10 minutes for any excess gas to dissipate, then turn the switch to pilot to trigger the flow of gas. Hold the reset button or use a long match to ...

3. North Carolina Department of Environmental Quality - Wikipedia

   en.wikipedia.org/wiki/North_Carolina_Department...

   The North Carolina Department of Environmental Quality (NCDEQ) is an agency of the government of North Carolina that focuses on the preservation and protection of natural resources and public health. The department is headed by the Secretary of Environmental Quality, who is appointed by the Governor of North Carolina and is a member of the ...

4. Do I need to worry about space heaters? Here’s what experts ...

   www.aol.com/lifestyle/worry-space-heaters...

   If your space heater is five or more years old, it's a good idea to check to make sure it has modern safety features like automatic shut-off if the device is tipped over or overheats, Lambert says ...

5. Flameless ration heater - Wikipedia

   en.wikipedia.org/wiki/Flameless_ration_heater

   The instructions advise that the heater should rest against a "rock or something" The flameless ration heater is issued in a plastic bag with instructions printed on it. Inside the bag is a small quantity of metallic powders, which does the actual heating. To heat a meal, the bag is first torn open, and a sealed food pouch is placed inside.

6. Air quality index - Wikipedia

   en.wikipedia.org/wiki/Air_quality_index

   An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ] [ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk.

7. Own a pool in Southern California? New air-quality rule ...

   www.aol.com/news/own-pool-southern-california...

   The South Coast Air Quality Management District's governing board voted 9-1 to effectively phase out certain kinds of natural-gas-fired water-heating equipment in homes and businesses across its ...

8. Thermal cutoff - Wikipedia

   en.wikipedia.org/wiki/Thermal_cutoff

   Another type of thermal switch is a PTC (Positive Temperature Coefficient) thermistor; these thermistors have a "cutting off" temperature at which the resistance suddenly rises rapidly, limiting the current through the circuit. When used in conjunction with a thermistor relay, the PTC will switch off an electrical system at a desired temperature.

9. Couple found dead in blazing hot South Carolina home where ...

   www.aol.com/news/couple-found-dead-blazing-hot...

   An elderly couple found dead in their South Carolina home where the temperature was about 120 degrees Fahrenheit (49 degrees Celsius) had trouble with their furnace days before their deaths, their ...