educational services, namely, conducting classes, seminars and workshops in the fields of teaching trainees in telecommunications operations and technology how to operate, maintain and repair electronic message call centers, and conducting classes, seminars and workshops in the fields of training telecommunications professionals how to teach telecommunications trainees the operation, maintenance and repair of electronic message call centers; operational and in-the-field training of telecommunications professionals in how to conduct and develop training programs and curricula, career guidance and tuition information for telecommunications trainees, how to conduct educational demonstrations for trainees in the separate contexts of correspondence, residential, full-time, part-time, sandwich, day-release and intensive courses in electronic message call center operations and technology, how to monitor, evaluate, grade and certify trainee learning performance in same, how to devise and implement direct-mail programs to interest potential trainees in same, and publication, production, distributing, subscription and rental of books, texts, newsletters, magazines, pamphlets, brochures, films and sound and video recordings in support of and in connection with all of the foregoing