electric fan - Students, Britannica Kids
![electric fan - Students, Britannica Kids](https://cdn.britannica.com/08/107508-004-7B9E06F7.jpg)
Mechanical devices that move air and other gases are essential to human comfort and safety and to some industrial processes. Broadly speaking they are of three types. Fans…
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machine - Students, Britannica Kids
![](https://cdn.britannica.com/36/236-004-BF9ABAC1.jpg)
electricity - Students, Britannica Kids
![](https://static.vecteezy.com/system/resources/previews/025/018/115/original/summer-kid-blowing-electric-fan-vector.jpg)
Summer Kid Blowing Electric Fan 25018115 Vector Art at Vecteezy
![](https://cdn.britannica.com/22/107222-004-D105D36E.jpg)
heat - Students, Britannica Kids
![](https://cdn.britannica.com/71/63371-004-90481B2E.gif)
electric light - Students, Britannica Kids
![](https://cdn.britannica.com/97/196097-004-41C75B76.jpg)
University of Calcutta - Students, Britannica Kids
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Spain - Students, Britannica Kids
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automobile - Students, Britannica Kids
![](https://cdn.britannica.com/70/62870-004-0384695C.gif)
refrigeration - Students, Britannica Kids
![](https://i.guim.co.uk/img/media/c1f1ca1fce7b68b3addd869ad35a6c2ccbf26b63/0_491_7360_4415/master/7360.jpg?width=1200&height=900&quality=85&auto=format&fit=crop&s=91a095ae1f6ffdebe433da5b0c8250b0)
Electric fans: how much do they cost to run in a heatwave?, Energy bills
Britannica All New Kids Encyclopedia
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3 Encyclopedia Britannica Kids HISTORY, OCEANS, SPACE (no SD-X reader) 24-26c