educational services, namely, providing accredited and certified courses of post-secondary instruction; providing educational services, namely, conducting seminars, programs and workshops in the field of specialized needs of technologically-based businesses; 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 distribution of printed matter in conjunction therewith the foregoing, namely, newsletters and reports, instructional teaching and training manuals, reference books, workbooks, textbooks, catalogs, books, classroom and independent study guides, pamphlets, leaflets, directories, calendars, brochures, charts, fact sheets, all of the above in the fields of engineering, technical sciences, namely, environmental remediation, 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, health sciences and nursing