41 Educational and training services, namely, providing training programs and courses of instruction in the janitorial, custodial, cleaning, sanitation, and infection control and prevention fields, and the distribution of software, course materials, training materials containing processes and procedures, and worker-hygiene visual aids in connection therewith; advisory and consulting services in the development of training programs and courses of instruction in the janitorial, custodial, cleaning, sanitation, and infection control and prevention fields; advisory and consulting services in the field of infection control and prevention training for infection control and prevention programs for commercial, industrial, institutional, and professional facilities; advisory and consulting services in the field of training relating to cleaning and sanitation for janitorial, custodial, cleaning, sanitation, and infection control and prevention programs for commercial, industrial, institutional, and professional facilities; educational services, namely, providing training services in the field of chemicals, chemical usage, environmentally preferable and traditional cleaning processes and procedures, cleaning process and procedure documentation, janitorial and custodial department management, inventory budgeting, inventory management, and the use of janitorial, custodial, cleaning, sanitation, and disinfection management software