16 Reference books in the field of graphic facilitation; office supplies used for presentation, namely, paper, cardboard and goods made of these materials, namely, containers and boxes of paper and cardboard, adhesive labels, adhesive tapes for stationery or household purposes, blank cards and notebooks, printed matter, namely, printed paper signs, printed paper labels, printed calendars, books, manuals, curricula, newsletters, informational cards and brochures in the field of graphic facilitation, bookbinding material, photographs, stationery, adhesives for stationery or household purposes, artists' materials, namely, artists' brushes, artists' pastels, chalk, charcoal pencils, colour pencils, coloured pens, crayons and marking pens, office requisites, namely, staplers, punches, paper cutters and push pins, and printed instructional and teaching material, except apparatus, in the field of graphic facilitation; cases specially adapted for holding and carrying office supplies, namely, paper, cardboard and goods made of these materials, namely, containers and boxes of paper and cardboard, adhesive labels, adhesive tapes for stationery or household purposes, blank cards and notebooks, printed matter, namely, printed paper signs, printed paper labels, printed calendars, books, manuals, curricula, newsletters, informational cards and brochures in the field of graphic facilitation, bookbinding material, photographs, stationery, adhesives for stationery or household purposes, artists' materials, namely, artists' brushes, artists' pastels, chalk, charcoal pencils, colour pencils, coloured pens, crayons and marking pens, office requisites, namely, staplers, punches, paper cutters and push pins, and printed instructional and teaching material, except apparatus, in the field of graphic facilitation; office requisites, namely memorandum boards, illustration boards, blank flip charts, magnetic writing boards, drawing boards, stick-on white boards and dry erase white boards, black boards, chalkboards, and dry erase writing boards for training and other educational purposes; carrying bags specially adapted for use with memorandum boards, illustration boards, and blank flip charts