Authorized colors.
Bottles of the window beside the driver: sliding, tilting, heater. Also with bandwidth sifting. Heated glasses are now available in a completely transparent design.
Inner glasses of railway wagons: door leaf or glass-free glass door, relational glasses, luggage holders, luminaire front glass. Made of natural, sandblasted or painted finish.
Inner bottles of buses: separating bottles in natural, sandblasted or screened designs.