semi-worked polylactic acid [PLA] filaments for use in 3D printing; semi-worked thermoplastic filaments for use in 3D printing; semi-worked acrylonitrile butadiene styrene [ABS] filaments for use in 3D printing; semi-processed synthetic resins; semi-worked plastic substances; plastic fibers, other than for textile use; threads of plastic materials, other than for textile use; plastic sheeting for agricultural purposes; semi-worked gutta-percha; filtering materials of semi-processed foams of plastic; filtering materials of semi-processed films of plastic