class 4 laser pointer strongesr

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Laser pointer only in some point of the state of the laser. The laser after the failure. The laser pointer is something common, reputation is bad. That's because it was considered a "death ray" in the '60s, and it could cause visibility to be reduced, or even blinding, in front of the eyes. Now, in a sense is real, but entirely on the laser intensity and the duration of it in the eye. A laser pen that is on the surface of the store and outline the final measurement, and specify some things are not dangerous. If things should be labeled, we'd rather use words that are useful.

The laser has two higher classifications: 3B and 4. which are officially in the "not toy" category, and even very simple, direct eyes, which can cause severe and lasting eye damage. For this class of the higher education stage, it is not only a potential, and is basically for sure. class 4 laser pointer for direct exposure to cause permanent eye damage, and may cause burns, especially when the focus. Because level 4 is the highest level, there is no difference between the relatively low-power 4-stage lasers, even if you stick to your laser laser, and you can cut the steel through a lot of carbon dioxide lasers.

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By laserqv
Added Sep 14

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