两个小婕子交换3_日本无码av免费_免费视频成人片在线观看_精品人妻大屁股白浆无码_攀上漂亮女领导阅读全文_人成午夜大片免费视频_色窝窝51精品国产人妻消防_午夜影院0606免费_麻花传剧原创mv在线看视频

1、 What is the use of laser LEDs?
1. Laser lamps, also known as laser lamps, have essential differences from spotlights. The original Chinese name of laser is laser.

3. Our most common laser light application is medical equipment, such as laser skincare, which makes the skin delicate and smooth without leaving any marks, achieving good results.

4. Laser engraving technology can process materials such as glass, metal, wood, and fabric to carve the desired patterns.

5. Laser lamps are also widely used for stage effects, utilizing the penetrating propagation characteristics of lasers to beautify the entire stage scene performance.

2、 Can lasers harm the eyes?

1. Laser lamps are laser lamps that have the advantages of bright colors, high brightness, good directionality, long range, and easy control. As is well known, although lasers can create an atmosphere, they have potential harm to both the eyes and skin, especially the eyes. If you stare at the laser for a long time, it can cause great damage to the eyes.

2. The green laser commonly used in Stage lighting is harmful to human eyes. Generally speaking, the higher the power of the laser, the greater the damage. And the damage to the human eye caused by lasers is cumulative and irreversible, so don't look too much.

3. For some small Laser pointer, even if the power is not more than 5 milliwatts, it will still cause damage to people's eyes. Moreover, direct irradiation of people's eyes will also cause retinal burns, which may lead to blindness in serious cases. Therefore, if working in the environment of laser lights, it is necessary to take protective measures and strictly follow the regulations for operation.