As long as you temper your expectations, there’s plenty of material to cut with your 40 watt CO 2 laser or at least engrave—just not glass; that’s a tough one. Or is it? According to ...
Glass,PVC Pipe,DIY Crafts, The marks which you engrave can be personally , you can own your own Logo. [Portability] Comfortable pen-size design of engraving pen for metal gives you more freedom ...