16 Paper, cardboard and products made from these materials, namely, paper sheets, photograph and stamp albums, envelopes, calendars, printed and score charts, postcards, craft paper, carbon paper, cardboard boxes, cardboard containers, printer labels; printing plants products, namely, printer's type, printers galley racks; requisites for book bindings, namely, book bindings, cardboard backing for binding books, wire, tape, covers, binding machines for office use; photos, stationery articles, namely, stationery, file pockets, stationery paste, seals, sealing stamps, paperweights; adhesives for the paper industry or for household purposes, namely, stationery and household glue, glue sticks for stationery or household use; material for artists, namely, art paper, pens, charcoal pencils, painting palettes, stick markers, watercolors, colored pens, chalks; paint brushes; typewriters and bureau requisites, namely, typewriter paper, typewriter print wheels, typewriter ribbons, paper knives, folders, rubber bands, stamp printers for office use, documents cutting machines for office use, pens, pencils; teaching material except apparatus, namely, paper teaching materials in the field of mathematics, printed teaching materials in the field of art, teaching materials in the field of mathematics and art, in the form of books, journals, interactive games, puzzles; plastic packaging, namely, bags, bubble pack; letters for printing machines, printing blocks