Acrylic resins, semi-processed; Artificial resins, semi-processed; Carbon fibres, other than for textile use; Ebonite; Elastic threads, other than for textile use; Elastic yarns, not for use in textiles; Plastic fibers, not for textile use; Plastic substances, semi-processed; Semi-processed acrylic resins; Semi-processed synthetic resins; Threads of plastic materials, other than for textile use