The present invention relates to a method and a device for processing parts, preferably made from timber-derived materials, especially MDF elements for achieving a sanded or polished surface, wherein blasting media are directed onto the surface at a shallow impact angle, and correspondingly produced wood parts. The software build for text, dialog boxes, symbols, icons, and other language-specific information contains this display information in multiple languages. The reading method for data is effectively utilized for a manual card reader.