printed publications in the nature of instructional teaching and training manuals, reports, newsletters, reference books, workbooks, textbooks, catalogs, books, classroom and independent study guides, pamphlets, leaflets, directories, brochures, charts, fact sheets, in the fields of engineering, environmental remediation sciences and vocational training in the fields of mechanics, computers, computer science, computer programming and computer networking, culinary arts, hotel and event management, business training, business administration and health sciences and nursing, and calendars

educational services, namely, providing accredited and certified courses of post-secondary instruction; vocational education in the fields of mechanics, computers, electronics, engineering, technical sciences, namely, environmental remediation, electrical, mechanical and professional trades, namely, vocational education for auto mechanics, electricians, plumbers, professionals in mechanical, heating, ventilation and air conditioning services; providing educational services, namely, conducting seminars, programs and workshops in the field of engineering, technical sciences, namely, environmental remediation, computer science, computer programming and computer networking, culinary arts, hotel and event management, business training and business administration, accounting, health sciences and nursing; educational services, namely, the training of others through courses, seminars, programs and workshops in the areas of computer science, computer programming and computer networking, culinary arts, hotel and event management, business administration, accounting, health sciences and nursing; and course material distributed in connection therewith for all of the foregoing