A. It depends upon the facility output. Gurus we consulted mentioned that In case the laser is beneath 40 watts (many house/hobby machines are), then standard polycarbonate workplace protection glasses will provide suitable defense from diffuse reflections. Our price is lower than the manufacturer's "minimum advertised price." As a result, http://kikuya-rental.com/bbs/jump.php?url=https://www.chineselaser.com/fiber-laser-marking-machine/