The safety of high-power laser pointers is a key issue that cannot be ignored?

In terms of power output, the laser pen does not release that much power. This is especially true for normal 75mW or 100mW bulb ratios.


Default Asked on October 16, 2019 in 10th.
Add Comment
0 Answer(s)

Your Answer

By posting your answer, you agree to the privacy policy and terms of service.