“This” vs. “That” + Q&A The Three R’s of Laser Tubes: Recharge, Repair or Replace Glass laser tubes vs. Metal laser tubes. What’s the difference? Water vs. Air, can you explain the Pros & Cons? Slat vs. Honeycomb vs. Flat tables. Which is better? Stepper vs. Servo motors, is one really better than the other? Laser Engraver vs. Rotary Engraver, what is the difference? Why should I consider a CheckMate Lasers engraver/cutter? How do you address Service and Support?