16 Paper Goods for Technical Purposes-Namely, Drawing Paper, Millimeter Paper, and Special Paper for Plotters; Writing Materials and Artists' Supplies-Namely, Lead Pencils, Special Pencils, Fine-Refill Pencils, Ink Refills, Plotter Drawing Points, Colored Pencils, Felt and Fiber Pens, Layout Markers, Markers for Screen Projectors, Drawing Pens, Pen-Holders; Adhesive Materials for Paper and Stationery-Namely, Adhesive Tapes, Liquid Glues and Glues in the Form of Pastes; Office Supplies-Namely, Manual Pencil Sharpeners, Electric Pencil Sharpeners, Staplers, Staples, Punches, Erasers, Power Erasers, and Drawing Ink; and Drafting Instruments-Namely, Straight Edges, T-Squares, Protractors, Angle Gauges, Drawing Boards, Inking Compasses, Stencils for Letters and Symbols, Parallelogram Drafting Machines and Carriage Drafting Machines