41 Educational services, namely, conducting Classes & Seminars in the field of Occupational Safety & Health, Industrial Hygiene, Hazmat Response & Operations and distribution of course material in connection therewith; Education services, namely, providing live and on-line classes & seminars in the field of Occupational Safety & Health, Industrial Hygiene, Hazmat Response & Operations; Education services, namely, providing classes & seminars in the fields of Occupational Safety & Health, Industrial Hygiene, Hazmat Response & Operations