... Fields1: Auto parts: pistons, piston rings, gears, shafts, bearings, clutches and lights;2: Electronic components: resistors, capacitors, chips ... printed circuit boards and keyboards;3: Basic mechanical components: bearings, gears, standard parts and motors;4: Instruments: panels, ... : 0.3 mm (adjustable depending on materials)Engraving Linear Speed: ≤7000mm/sMinimum Line Width: 0.025mmSmallest Character ...