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2. Pilot light - Wikipedia

   en.wikipedia.org/wiki/Pilot_light

   A pilot light is a small gas flame, usually natural gas or liquefied petroleum gas, which serves as an ignition source for a more powerful gas burner. Originally a pilot light was kept permanently alight, but this wastes gas. Now it is more common to light a burner electrically, but gas pilot lights are still used when a high energy ignition ...

3. Flame supervision device - Wikipedia

   en.wikipedia.org/wiki/Flame_supervision_device

   For gas appliances, a flame supervision device (FSD) – alternative name: flame failure device (FFD) – is a general term for any device designed to stop flammable gas going to the burner of a gas appliance if the flame is extinguished. This is to prevent a dangerous buildup of gas within the appliance, its chimney or the room. [1]

4. Flame detector - Wikipedia

   en.wikipedia.org/wiki/Flame_detector

   A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection.Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.

5. Gas lighting - Wikipedia

   en.wikipedia.org/wiki/Gas_lighting

   Gas lighting in the historical center of Wrocław, Poland, is manually turned off and on daily.. Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas.

6. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   homepage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

8. Thermocouple - Wikipedia

   en.wikipedia.org/wiki/Thermocouple

   So long as the pilot flame remains lit, the thermocouple remains hot, and the pilot gas valve is held open. If the pilot light goes out, the thermocouple temperature falls, causing the voltage across the thermocouple to drop and the valve to close. Where the probe may be easily placed above the flame, a rectifying sensor may often be used ...

9. Trump won't kill green energy [Video] - AOL

   www.aol.com/finance/trump-wont-kill-green-energy...

   He may quickly reverse some Biden policies, making it easier for energy firms to drill on public land and export natural gas. He will likely withdraw the United States from the Paris climate ...