16 printed materials, namely, books, exams, posters, journals, periodicals, magazines, brochures, certificates, notebooks, printed teaching aids, newsletters, pamphlets, and printed educational, instructional, and teaching materials in all aspects of dive instruction, including free diving, recreational diving, technical and professional dive instruction, dive tables, dive charts, rebreather instruction, dive emergency, public safety and emergency first aid instruction, and dive leadership instruction; catalogs featuring training and educational materials and books in the field of diving, laminated paper identification tags, luggage tags, badges, lanyards, pens, certification cards, stickers.