Industrial Stand Fan 18 Inch 3 in 1

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Q: What is the working principle of an electric fan?: The surface of the body has a lot of sweat, when the electric fan, indoor air flow, so it can promote the rapid evaporation of sweat, combined with evaporation need to absorb a lot of heat, so people will feel cool.

Q: How long can the electric fan be timed?: Another is circuit control, can be 30 minutes, 1 hours, two hours, four hours, and so on, depending on the circuit, microcontroller, timer settings

Q: What are your misunderstanding blowing ？: Many people like to blow fans for a long time. They feel like they've just cooled off, and they're going to feel like they're still hot. It's not as good as blowing comfortably for a long time. However, a long time to the fan blowing, the body temperature will decrease with the evaporation of large amounts of sweat, easily lead to colds, colds, abdominal pain, diarrhea and other diseases. Generally, it takes half an hour to 1 hours for a hair dryer.

Q: The electric fan is moving all the time. Why is there a lot of ash on the leaves? Ash won't fall when you blow it?: Because of the friction, it won't fall off when blowing

Q: Why does the electric fan always rotate clockwise?: It may be related to power. The steering of the motor is subject to alternating current, and the alternating current is standard, so that should be the reason.

Q: Where does the fan drip the oil?: If the shaft is very dead, this method is not easy to use, it is necessary to completely disassemble the motor before refueling.

Q: How was the electric fan invented?: In 1872, a Frenchman named Joseph has developed a wind turbine start-up by using mechanical device, fan gear chain transmission, the fan than mechanical fan Byron invented more refined than, use convenient.

Q: How do you use an electric fan to set up an air distribution system in an air tight room?: Use the height of the cabinet to supply air to the room, so as to push the air down the high side of the room, and then push the air toward the window in a lower position.

Q: What are the new electric fans?: No noise fan: Japanese Mitsubishi Co to develop the electric fan almost no noise, a bird's wing shaped blade special, can produce a vortex flow, and the use of DC motor, with protective cover, very suitable for use with microcomputer, word processor, copier place.