16 Binders, books, booklets, brochures, bulletins, file folders, file jackets, brochures, informational flyers, informational letters, leaflets, newsletters, printed lectures, stationery type portfolios, questionnaires, study guides, work books, and printed teaching, testing and assessment materials, all of the aforementioned in the fields of educational instruction, testing, assessment, and curriculum development and implementation in connection with the high school equivalency examination