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2. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   Older furnaces sometimes relied on gravity instead of a blower to circulate air. [1]Gas-fired forced-air furnaces have a burner in the furnace fueled by natural gas.A blower forces cold air through a heat exchanger and then through duct-work that distributes the hot air through the building. [2]

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   At the furnace, cool air passes into the furnace, usually through an air filter, through the blower, then through the heat exchanger of the furnace, whence it is blown throughout the building. One major advantage of this type of system is that it also enables easy installation of central air conditioning , simply by adding a cooling coil at the ...

4. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

5. Pilot light - Wikipedia

   en.wikipedia.org/wiki/Pilot_light

   If the pilot light goes out, the pilot generator cools off and the current stops, closing the gas valve. Other units use a non-electrical approach, where the pilot heats a bimetallic element or a gas-filled tube to exert mechanical pressure to keep the gas valve open. If the pilot fails, the valve closes.

6. List of unusual deaths in the 20th century - Wikipedia

   en.wikipedia.org/wiki/List_of_unusual_deaths_in...

   The roof then collapsed, severing fuel pipes and causing at least 100 people to fall four stories to the factory floor. 60 to 100 more people fell directly on top of a furnace, the surface temperature of which was estimated to be around 500 °F (260 °C). 23 people were killed, and over 100 more were injured.

7. 59 People Shared Stories Of The Most Memorable ... - AOL

   www.aol.com/lifestyle/59-people-shared-stories...

   Image credits: anon #2. I was having a farting contest with my cousin in the bathroom. She let out one of those ones that ends in an upturned squeak, like her a*****e was meekly asking me a question.