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2. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

3. Direct vent fireplace - Wikipedia

   en.wikipedia.org/wiki/Direct_vent_fireplace

   A direct vent fireplace is a prefabricated metal fireplace that employs a direct-vent combustion system. "Direct vent" refers to a sealed-combustion system in which air for combustion is drawn from the outdoors, and waste combustion gasses are exhausted to the outdoors. "Direct vent" does not simply mean that all gasses from combustion are ...

4. Gas venting - Wikipedia

   en.wikipedia.org/wiki/Gas_venting

   Substantial amounts of methane-rich gas are trapped and adsorbed within coal formations, and are unavoidably desorbed in association with coal mining.In some cases of sub-surface mining, a formation is permeated with boreholes prior to and/or during extraction work, and the so-called firedamp gases allowed to vent as a safety measure.

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

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

6. Factbox-New Orleans truck attack adds to growing list of ...

   www.aol.com/news/factbox-vehicle-attacks...

   Since then vehicle attacks have become increasingly common, though only some have been declared acts of terrorism. The New Year's Day attack in New Orleans, as revelers ushered in 2025, was the ...

7. TikTok hires ex-Trump administration lawyer ahead of Supreme ...

   www.aol.com/news/tiktok-hires-ex-trump...

   TikTok and its Chinese owner ByteDance have turned to a veteran U.S. Supreme Court lawyer as they prepare to ask the justices to block a law that could ban the popular short video platform in the ...

8. List of abbreviations in oil and gas exploration and production

   en.wikipedia.org/wiki/List_of_abbreviations_in...

   RRC – Railroad Commission of Texas (governs oil and gas production in Texas) RROCK – routine rock properties report; RRR – reserve replacement ratio; RSES – responsible for safety and environment on site

9. ‘Predatory’ NYC teacher sexually abused teen girl in creepy ...

   www.aol.com/predatory-nyc-teacher-sexually...

   A Queens public high-school teacher created a creepy “escape room” where he allegedly sexually abused a female student, according to a troubling new report.