Description Jump to: ABCD Overview Diagram of machine with key parts labeled: A, B, C, and D. Item A: Blade holder and motor Controls the cutting blade. Item B: Control unit Functions like the CPU in a computer; controls the entire machine. Item C: Fan and vacuum system 9 kW fan for vacuum adsorption. Latest model as shown; fan is inside the table for improved stability. Item D: Cutting position motor Controls the cutting position.