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The relationship between human beings and lighting

People's lives and production of lighting can be divided into two categories of natural lighting and artificial lighting. Natural lighting is limited by the natural conditions, the light can not be maintained at any time according to the requirements of people, light and shade can be adjusted, light stability. In the night or the lack of natural light, artificial lighting should be used. Artificial lighting is mainly realized by electric light source, which is composed of electric light source, lamps, indoor and outdoor space, inner surface of building and working face. To learn and use electrical lighting, we must have some knowledge of electric light source, lamps, lighting, lighting standard, lighting quality and lighting calculation.

With the improvement of people's living standard, the quality of lighting is improved correspondingly. Good lighting condition is the premise and guarantee to realize safe production, improve labor productivity, improve product quality and protect the eyesight health of workers. Therefore, it is of great significance for the industrial and agricultural production and the safety and health of workers to carry out the lighting design and strengthen the operation and maintenance of the lighting device.

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