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, white papers, workbooks, reports, brochures, written articles, newsletters, for certification and recertification training, all in field of server hardware and software technology; printed educational materials, namely, printed examinations that evaluate an individual's proficiency in understanding server hardware and software technology