12 EXTRUDED OPAQUE, TRANSPARENT, AND TRANSLUCENT PLASTIC MATERIAL IN THE FORMS OF FLAT AND T-SHAPED EDGINGS, NOSINGS, ANGLES, CHANNELS, CAP SECTIONS, FLAT SECTIONS (DECORATIVE SHAPES, COVES, TUBES, RODS, PANEL DIVIDERS, INSIDE CORNERS, OUTSIDE CORNERS FOR USE IN COMMERCIAL, INDUSTRIAL, AND ARCHITECTURAL DESIGNS