16 Paper, cardboard and goods made from these materials, not included in other classes, namely, cardboard cartons, containers, hang tags, paper banners, carbon paper, and computer paper; printed matter, namely, newspapers, posters, and stickers; printed matter, namely, books, reports, periodicals, magazines, bulletins, brochures, guidebooks, operating manuals, and booklets, all in the field of science and technology; book covers; document covers; leather book covers; rubber stamps; sealing stamps; marking stamps; numbering stamps; bookbinding material, namely, book bindings, wire, cloth, and tape; photographs; stationery; adhesives for stationery or household purposes; artists' materials, namely, pencils, pens, pastels, and canvas panels; paint brushes; typewriters and office requisites except furniture, namely, punches, rubber bands, and envelope sealing machines; printed instructional and teaching material except apparatus, in the field of science and technology; plastic materials for packaging not included in other classes, namely, bubble packs, bags, and expanded plastic pellets; printer's type; printing blocks