... worktable, honeycomb worktable.2.Machine parameter of HN4030 wood laser engraving machineModel NO.HN-4030 Laser machineLaser power40WCooling ... main partsWater pump, air pump, exhaust fan and wind pipe, red light pointer, Knife worktable and so on ... . 3.Applicable materials: synthetic material, acrylic, wood, organic glass, crystal, plastic, garments, paper, leather, rubber, ...