16 Booklets in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; stationery in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; manuals in the nature of handbooks in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; prospectuses in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; informational flyers in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; brochures in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; memo blocks; posters; calendars; printed charts for displaying data and information; printed matter, namely, product guides, worksheets, teaching materials, journals, instruction sheets in the field of mechanical engineering, electrical engineering, industrial engineering, production and process engineering, medical and dental technology, industrial insulations, technical ceramics, food packaging industry and chemical industry; bookbinding material; wrapping materials made of paper, cardboard or plastic; bags, envelopes and pouches for packaging made of paper or plastics; adhesive packaging tapes for industrial and commercial packing use; packing cardboard