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The function of stage lighting!

The function of stage lighting!

The function of stage lighting: to make the stage picture clearer: to enable the audience to see what or some corners of the stage are not seen by the audience (present).

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2023-09

Pay attention to matters of the fan!

Pay attention to matters of the fan!

In the hot summer, when the electric fan is turned on and the breeze blows, it is very uncomfortable. Many people get sick due to improper use of the electric fan. The reason is that many people lack the common sense of using the electric fan.

19

2023-09

The common fault of fan!

The common fault of fan!

1. The fan shaft part is to ensure that there is lubricating oil, otherwise the fan blade cannot be dragged on the engine. If you are at home, you can choose to turn off the power supply and then move the blades. If the rotation is stiff, there is basically no lubricating oil.

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2023-09

The way to buy a fan!

The way to buy a fan!

Look at the random documents The random documents of each electric fan include the instruction manual, product certificate, electrical circuit diagram and packing list. When purchasing, check the quantity and quality of parts according to the packing list.

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2023-09

The working principle of the fan!

The working principle of the fan!

Electric fan is referred to as electric fan, also known as fan, fan fan, is a kind of use of motor drive fan blades to rotate, to achieve accelerated air circulation of household appliances, mainly used for cool and cool heat and circulation of air. Widely used in homes, classrooms, offices, shops, hospitals and hotels and other places. The common household electric fan is essentially an axial flow fan, that is, the wind flow direction is parallel to the rotation axis of the fan blade.

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2023-09

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