16 DRAFTING EQUIPMENT AND SUPPLIES, IN PARTICULAR: PENS, PENCILS, MARKERS, INK, LETTERING GUIDES, TRIANGLES, STRAIGHT EDGES, CURVES (FLEXIBLE, IRREGULAR, ETC.), PARALLEL RULES, DIVIDERS, DRAWING COMPASSES, ERASERS, EDGING TAPE, TRANSPARENT TAPE, DRAFTING TAPE, MENDING TAPE, FILAMENT TAPE, DRAFTING PAPER-NAMELY, SKETCH PAPER, DRAWING PAPER, TRACING PAPER AND BLUEPRINT PAPER, PROTRACTORS, LOOSE LEAF BINDERS, GLUE AND RUBBER CEMENT FOR DRAFTING PURPOSES, PENCIL SHARPENERS, SCISSORS, STAPLERS AND STAPLES, MATHEMATICAL TABLES, MAPS, GEOLOGISTS' DICTIONARIES, TEMPLATES AND DRAFTING MACHINES (IN THE NATURE OF DRAFTING INSTRUMENTS CONSISTING, OF LINKED PARTS THAT PERFORM THE FUNCTIONS OF T-SQUARES, TRIANGLES, LINEAR SCALES AND PROTRACTORS)