... ,can engrave ,drill, cut the PCB.B. effective : it takes only several minute to finish one PCB.C. high ... to view the engraving process.15,Dust collection device : professional dust collection device to make sure internal cleaness ,which continent ... . can use with vacuum worktable (optional).16,software: with professional automatic tool, multiaxial engraving software, easy to input NCP, PLT, DIN 66025 ...