17 Extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Insulating refractory materials; Padding materials of rubber or plastic; Plastic laminated sheets and panels for use in the manufacture of countertops; Plastic sheets for use in the manufacture of displays, signs and packaging; Plastic sheets for use in the manufacture of countertops and tabletops; Self-adhesive plastic sheets for use in manufacturing; Semi-finished plastic sheet materials for use in lighting panels; Semi-processed plastics; Unfitted plastic sheeting for use in protecting furniture