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2. Room air distribution - Wikipedia

   en.wikipedia.org/wiki/Room_air_distribution

   Supply diffusers in the ceiling are fed by fan coil units in the ceiling void or by air handling units in a remote plant room. The fan coil or handling unit takes in return air from the ceiling void and mix this with fresh air and cool, or heat it, as required to achieve the room design conditions. This arrangement is known as 'conventional ...

3. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   A mechanism for mounting the fan to the ceiling such as: Ball-and-socket system. With this system, there is a metal or plastic hemisphere mounted on the end of the downrod; this hemisphere rests in a ceiling-mounted metal bracket, or self-supporting canopy, and allows the fan to move freely (which is very useful on vaulted ceilings).

4. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   Five-blade or six-blade designs are rare. The materials from which the components are made, such as brass, are important factors in fan desirability. A ceiling fan is a fan suspended from the ceiling of a room. Most ceiling fans rotate at relatively low speeds and do not have blade guards because they are inaccessible and unwieldy.

5. Bell mouth - Wikipedia

   en.wikipedia.org/wiki/Bell_mouth

   Inlet bellmouths (right) on the two turboshaft engines of a heavy-lift helicopter. In building services engineering and HVAC, a bell mouth is a tapered expanding or reducing opening in the end of a ventilation duct, so named because the taper can resemble that of a bell shape.

6. Fan-out wafer-level packaging - Wikipedia

   en.wikipedia.org/wiki/Fan-out_wafer-level_packaging

   This is known as a chip-first flow. Panel level packaging uses a large panel instead of a wafer to carry out the packaging process. [6] High end fan-out packages are those with lines and spaces narrower than 8 microns. [4] Fan-out packages can also have several dies, [5] and passive components. [6]

7. Sports News & latest headlines from every league - AOL.com

   www.aol.com/sports

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

8. Senate confirms new energy regulators, extending Biden ... - AOL

   www.aol.com/news/senate-confirms-energy...

   The panel approved a long-awaited rule last month making it easier to transmit renewable energy such as wind and solar power to the electric grid — a key part of Biden’s goal to eliminate ...

9. Junction box - Wikipedia

   en.wikipedia.org/wiki/Junction_box

   A small metal, plastic or fiberglass junction box may form part of an electrical conduit or thermoplastic-sheathed cable (TPS) wiring system in a building. If designed for surface mounting, it is used mostly in ceilings, concrete or concealed behind an access panel—particularly in domestic or commercial buildings [2].