16 Printed matter, namely, books, leaflets, brochures, newsletters and reports all about the business of chambers of commerce; printed publications, namely, books, booklets, brochures, leaflets, newsletters and reports regarding guidelines, standards, case-studies and notices, all about the business of chambers of commerce; photographs, stationery; printed instructional, educational and teaching materials for use in conference and workshop sessions relating to the business of chambers of commerce management, structure, services and activities