Goods of common metal, namely, metal structural joint connectors for the aviation industry | Aircrafts and structural parts therefor | Raw or semi-worked rubber and goods made from this material, namely, vibration insulation rubber, shock absorbing insulation material for industrial use, sealing materials; gum, raw or semi-worked, and goods made from gum, namely, sealing materials; plastics in extruded form for use in further manufacture; packing and insulating materials; flexible pipes, not of metal