16 [ Printed matter, namely, reports, surveys, ] [books,] [ brochures, pamphlets, leaflets, booklets, ] [posters, business cards, folders, and calendars] [ in the fields of business management, business administration, business and computer consulting ] [, personnel recruitment, computer programming and system analysis and computer software development, maintenance and design; cardboard, namely, boxes, folders, binders, placards, signboards; photographs; stationery; printed instructional and teaching materials, namely, printed manuals and charts in the fields of business management, business administration, business and computer consulting, personnel recruitment, computer programming and system analysis, and computer software development, maintenance and design]