17 Extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Plastic in bars, blocks, pellets, rods, sheets and tubes for general industrial use; Plastic in extruded form for general industrial use; Plastic in powdered form; Plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; Plastics in extruded form used in production