... , to work pieces at a high frequency under the application of compressed air, to form the edited information on work ... (1) Motor Industry: to mark Manufacturing Number and Date, Company Name, Brand, etc. , on Vehicle Body, Frame, Base Plate, Pillar, Engine, ... , English letters, Arabic numbers, Vector graphs and Coders. Size of Letters: Adjustable Marking Speed: 100-7000mm/min (adjustable, marking ...