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2. Fan (machine) - Wikipedia

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

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

3. Industrial fan - Wikipedia

   en.wikipedia.org/wiki/Industrial_fan

   The axial fan is often contained within a short section of cylindrical ductwork, to which inlet and outlet ducting can be connected. Axial fan types have fan wheels with diameters that usually range from less than a foot (0.3 meters) to over 30 feet (9.1 m), although axial cooling tower fan wheels may exceed 82 feet (25 m) in diameter.

4. This fan-favorite robovac is currently 50% off — will still ...

   www.aol.com/lifestyle/this-fan-favorite-robovac...

   Having a robot vacuum in your home is the ultimate luxury: You simply kick back and relax while it does the dirty work, cleaning your floors for you. (The dream!) But robovacs typically come with ...

5. Time switch - Wikipedia

   en.wikipedia.org/wiki/Time_switch

   The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.

6. Rotating magnetic field - Wikipedia

   en.wikipedia.org/wiki/Rotating_magnetic_field

   The rotating magnetic field is the key principle in the operation of induction machines.The induction motor consists of a stator and rotor.In the stator a group of fixed windings are so arranged that a two phase current, for example, produces a magnetic field which rotates at an angular velocity determined by the frequency of the alternating current.

7. 911: Lone Star fans devastated after Rob Lowe series ... - AOL

   www.aol.com/911-lone-star-fans-devastated...

   The announcement that 911: Lone Star has been canceled has left fans devastated.. The Fox drama, a spin-off of 911, focuses on first responders in Austin, Texas.It stars Rob Lowe and Gina Torres ...