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2. Automatic bleeding valve - Wikipedia

   en.wikipedia.org/wiki/Automatic_bleeding_valve

   An automatic bleeding valve or air release valve (ARV) is a plumbing valve used to automatically release trapped air from a heating system. Air, or other gas, may collect within plumbing. For water delivery systems to taps and basins, particularly with good main supply pressure, this air is usually flushed through with the water flow and does ...

3. Heating, ventilation, and air conditioning - Wikipedia

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

   The percentage of return air made up of fresh air can usually be manipulated by adjusting the opening of this vent. Typical fresh air intake is about 10% of the total supply air. [citation needed] Air conditioning and refrigeration are provided through the removal of heat. Heat can be removed through radiation, convection, or conduction.

4. Autovent - Wikipedia

   en.wikipedia.org/wiki/Autovent

   An autovent is a device for maintaining a greenhouse or conservatory within a range of temperatures. The basic principle is that as greenhouse heats above ambient the air inside becomes lighter, the vent opens when a certain temperature is reached and lets the hot air out - drawing cooler air in from outside.

5. Van's Aircraft RV-14 - Wikipedia

   en.wikipedia.org/wiki/Van's_Aircraft_RV-14

   The Van's Aircraft RV-14 is an American aerobatic kit aircraft designed by Richard VanGrunsven and produced by Van's Aircraft. It was introduced at AirVenture in July 2012. [1] The aircraft is supplied as a kit for amateur construction. [3] [4] As of November 2022, 207 RV-14s have been completed and flown. [2]

6. Attic fan - Wikipedia

   en.wikipedia.org/wiki/Attic_fan

   In the possible event of a fire, an operating attic fan could, in theory, spread the flames because of the air movement. [1] To reduce the danger, louvered vents that allow air to pass through can incorporate fusible links so that fire will melt the links in which case the vent will automatically close.

7. AOL Mail

   mail.aol.com

   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!