16 Instructional materials, namely, books, newsletters, brochures, journals, and magazines relating to home hygiene, germ protection for the home, and home safety; printed matter, namely, books, newsletters, brochures, journals, and magazines in the field of home hygiene, germ protection for the home, and home safety; stationery; posters, booklets and leaflets in the field of home hygiene, germ protection for the home, and home safety; instructional and teaching materials, namely, books, newsletters, brochures, journals, and magazines in the field of home hygiene, germ protection for the home, and home safety; except apparatus