Synthetic resins, semi-processed; artificial resins, semi-processed; plastic semi-worked products in the form of pellets, rods, bars, foils, foams, fibers, films, boards, plates, profiles, hoses, tubes, tapes, strips, blocks and sheets; plastic substances, semi-processed; plastics sheets for use in further manufacturing; plastic fibers, other than for textile use; chemical fiber, not for textile use; gum, raw or semi-worked; rubber, raw or semi-worked; synthetic rubber; natural rubber; insula...