Flexible tubes, not of metal; Junctions, not of metal, for pipes; Non-metal sealing rings for use as connection seals; Plastic filaments for 3D printing; Rings of rubber for use as pipe connection seals; Rubber sleeves for protecting parts of machines; Semi-processed plastics; Semi-worked ABS filaments for use in 3D printing; Semi-worked PLA filaments for use in 3D printing