17 Plastic substances, semi-processed; thermoplastic resins reinforced with natural fibers (semi-finished products); semi-processed plastics; semi-finished plastic sheets; plastics in the form of sheets, films, blocks, rods and tubes; polymer films for use in manufacture; artificial resins in the form of bars for use in manufacture (semi-finished products); artificial resins in the form of blocks for use in manufacture (semi-finished products); extruded plastic in the form of bars, blocks, pellets, rods, sheets and tubes for use in manufacturing; semi-processed thermoplastic polymer resins for use in manufacture; artificial resins in the form of rods for use in manufacture (semi-finished products); artificial resins in the form of sheets for use in manufacture (semi-finished products); artificial resins in extruded form for use in manufacture; plastics in extruded form used in production; artificial resins in the form of tubes for use in manufacture (semi-finished products); artificial resins in the form of pellets for use in manufacture (semi-finished products); thermoplastic compounds in pellet form for use in manufacture; plastic film, other than for wrapping; plastics in the form of bars for use in manufacturing; plastic sheet materials for use in manufacture