16 Paper Goods and Printed Matter Dealing with Glass and Ceramics-Namely, Newspapers, Newsletters, Magazines, Journals, Catalogs, Bulletins, Pamphlets, Brochures, Books, Photographs, Postcards, Instructional and Teaching Materials
41 Educational and Entertainment Services-Namely, the Provision of Exhibits, Demonstrations, Displays, Seminars, Educational and Entertainment Facilities Relating to Glass and Ceramic Materials and Products