41 Training services in the field of renewable energy; training services in the field of energy efficient equipment; training services in the field of energy efficient equipment in the nature of solar electric systems and batteries; training services in the field of electric vehicle service equipment, operation, and maintenance; training services in the field of renewable energy and energy efficient equipment installation; educational services, namely, conducting classes in the fields of renewable energy, energy efficient equipment, energy efficient systems, the installation thereof and distribution of course materials in connection therewith