Semi-processed plastic materials; recycled plastic materials, namely, recycled plastics in extruded form for use in industry; recycled plastic compounds, namely, recycled thermoplastic compounds and polyester resins in the form of pellets, bars, blocks, rods, sheets and tubes for use in industry; plastic materials in extruded form used in manufacturing, namely, extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in industry