41 Publication of books, journals and magazines; education and instructional services, namely, conducting classes, seminars and workshops in the field of worker safety and in the field of legal rights; training services in the field of worker safety and in the field of legal rights; education and training services, namely, conducting classes, seminars and workshops in the field of law relating to legal matters; health and fitness training in the field of healthcare and personal fitness; health education, namely, conducting classes and workshops in the field of health; physical health education, namely, conducting classes and workshops in the field of health, exercise and nutrition