17 Semi-worked synthetic plastic substances in the form of foils, plates, rods and profiles; semi-processed plastics and plastic composite materials, in particular in connection with metals being semi-finished products; Synthetic plastic as semi-finished products, namely, semi-finished products based on polyurethanes, polyamides, polyesters, polyvinyl and polydivinyl compounds, copolymers, derivatives and mixtures of the aforesaid substances, and based on silicones, and based on high molecular weight esters, in the form of plates, blocks, pipes, foils, hoses, profiles and coatings; Plastic fiber reinforced thermoplastic sheets for use in the manufacture of parts and sub-components for the automotive industry, leisure activity applications, the industry and aerospace applications; unprocessed and semi- processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; articles made of semi-processed plastics and semi-processed resins in extruded form for use in manufacture; packing, stopping and insulating materials in the nature of rubber stoppers for industrial packaging containers; flexible pipes, tubes and hoses, not of metal