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2. High-volume low-speed fan - Wikipedia

   en.wikipedia.org/wiki/High-volume_low-speed_fan

   A High-volume low-speed fan. A high-volume low-speed (HVLS) fan is a type of mechanical fan greater than 7 feet (2.1 m) in diameter. [1] HVLS fans are generally ceiling fans although some are pole mounted. HVLS fans move slowly and distribute large amounts of air at low rotational speed– hence the name "high volume, low speed."

3. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   These fans, hence the name "mini" ceiling fan are relatively small in size, usually ranging from 40.64 cm to 91.44 cm, however, some still span to sizes as large as 106.68 cm in diameter. Additionally, unlike traditional ceiling fans, these fans typically use synchronous motors. Bladeless ceiling fans.

4. Blower door - Wikipedia

   en.wikipedia.org/wiki/Blower_door

   Fan airflow is determined using C Fan and n Fan values that are provided by the blower door manufacturer, and they are used to calculate Q Fan. The multi-point blower door test procedure results in a series of known values of Q n, Fan and ∆P n, Building. Typical ∆P n, Building values are ±5, 10, 20, 30, 40 and 50 pascal.

5. Demi Moore wins first major industry award at 2025 Golden ...

   www.aol.com/demi-moore-wins-first-ever-031702992...

   Demi Moore snagged her first major industry award Sunday night at the Golden Globes – and her touching, tear-jerking speech was all substance. "I really wasn't expecting that," Moore, 62, told ...

6. Fan (machine) - Wikipedia

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

   Domestic extractor fan: Wall- or ceiling-mounted, the domestic extractor fan is employed to remove moisture and stale air from domestic dwellings. Bathroom extractor fans typically utilize a four-inch (100 mm) impeller, while kitchen extractor fans typically use a six-inch (150 mm) impeller as the room is often bigger.

7. Lumen method - Wikipedia

   en.wikipedia.org/wiki/Lumen_method

   The CU value should be obtained by the manufacturer of the luminaire which is to be evaluated. In order to determine the CU on the manufacturer's table, a room cavity ratio (RCR) must be used. Also, the reflectance of the ceiling, walls and floor must be known. RCR = 5 x (room height) x (room width + room length) / [(room width) x (room length ...