3
Cleaners and polishing compositions
17
Semi-processed plastic substances, in particular for the automotive and aircraft industries; unitary or stretched acrylic glass; composite materials of glass and plastic or multiple plastics; plastic parts with metal or carbon fiber frames
19
Non-metal building materials, in particular cellular sheets, corrugated sheets and profiled sheets of plastic; rigid pipes, not of metal (building); non-metallic transportable buildings; non-metal transportable greenhouses, modular greenhouses, prefabricated greenhouses, non-metal staircases, non-metal stair treads (steps)
37
Installation, maintenance and repair of window panes for vehicles, aircraft and boats; construction, maintenance and repair of conservatories and greenhouses