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2. Philip Diehl (inventor) - Wikipedia

   en.wikipedia.org/wiki/Philip_Diehl_(inventor)

   The fan was invented in 1882 by Schuyler Skaats Wheeler. A few years later, Philip Diehl mounted a fan blade on a sewing machine motor and attached it to the ceiling, inventing the ceiling fan, which he applied for patent in August which was granted on November 12, 1889. [5] Later, he added a light fixture to the ceiling fan.

3. 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."

4. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Ceiling fans were proven to have a more significant effect on the droplet and airborne transmission when the coughing infected person is located directly under the ceiling fan. Ceiling fans offer better protection from cough exposure for people located closer to the fan center, where the directed airflow changing particle trajectory downward to ...

5. Retractable roof - Wikipedia

   en.wikipedia.org/wiki/Retractable_roof

   A retractable roof is a roof system designed to roll back the roof of a structure so that the interior of the facility is open to the outdoors. [1] Retractable roofs are sometimes referred to as operable roofs or retractable skylights. The term operable skylight, while quite similar, refers to a skylight that opens on a hinge, rather than on a ...

6. Airbus A350 - Wikipedia

   en.wikipedia.org/wiki/Airbus_A350

   The Airbus A350 is a long-range, wide-body twin-engine airliner developed and produced by Airbus.The initial A350 design proposed in 2004, in response to the Boeing 787 Dreamliner, would have been a development of the Airbus A330 with composite wings and new engines.

7. Globe Life Field - Wikipedia

   en.wikipedia.org/wiki/Globe_Life_Field

   Globe Life Field is a retractable roof stadium in Arlington, Texas, United States.It is the home ballpark of Major League Baseball's Texas Rangers. [10] It is located just south of the Rangers' former home ballpark, Globe Life Park (originally known as The Ballpark in Arlington and renamed Choctaw Stadium after the Rangers' departure and subsequent reconfiguration).