carbon fibres, other than for textile use; plastic substances, semi-processed; rubber, raw or semi-worked; synthetic rubber; synthetic resins, semi-processed; semi-processed artificial resins; threads of plastic for soldering; soldering threads of plastic; threads of rubber, not for textile use; threads of plastic materials, other than for textile use; plastic filaments for 3D printing; semi-worked thermoplastic filaments for use in 3D printing; semi-worked thermoplastic filaments used for 3D printing; semi-worked PLA filaments for use in 3D printing