children's storybooks; children's newspapers, namely newspapers featuring stories, games, poems, jokes, comic strip, environmental news, and recipes; posters, stationery; stickers; [ calendars; playing cards; trading cards; ] printed instructional and teaching materials in the field of reading, book illustration and publishing; unmounted photographs; book covers; [ book binders; song books; ] books containing dramatic plays, folders, and illustrations

enzymes used to treat wellbores with chemical and biological constituents used in combination with stimulation, acidizing, drilling or fracturing in the oil and gas industry