Is there a little black gas, poisonous gas? Choose a dustproof mask or a gas mask?
Another is more important, laser cutting machine for long-term blindness of the eyes, the need to strictly wear laser goggles in accordance with regulations
As long as the vision is not right, the highlight of the laser can be? I start with my eyes after laser paper or back to the laser,Answer:Long-term use of laser tools / machinery, we need to be particularly careful, regular safety rules are necessary to wear laser glasses, can not be perfunctory. What you have said may not have much effect in the short run, but it will not do so for a long time.
Toxic. Wear a mask with activated carbon, because activated carbon can absorb toxic gases
