16 Printed instructional and teaching manuals, printed guides for students and teachers and other printed material, namely, books, booklets, pamphlets, teaching materials, test booklets, guides, whitepapers, workbooks, reports, brochures, written articles, newsletters, for certification and recertification training, all in the field of maintenance of information technology-related security; printed educational materials, namely, printed examinations that evaluate an individual's proficiency in understanding maintenance of information technology-related security