Cardboard; Paper; Paperboard; Carbon paper; Corrugated board; Crayons; Desk mats; Drawing rulers; Envelope sealing machines, for offices; Gummed tape for stationery or household use; Mats of card for beer glasses; Pen cases; Pencil sharpeners; Pencil sharpeners, electric or non-electric; Protractors as drawing instruments; Stands for pens and pencils; T-squares for drawing; Table napkins of paper; Thermal paper; Tracing cloth; Tracing paper; Waxed paper; Paper-clips; Printed announcement cards