37 Installation, maintenance and repair of electric lighting apparatus; Installation, maintenance and repair of electric lighting devices other than for vehicles; [ Installation, maintenance and repair of light emitting diode (LED) lamps; Installation, maintenance and repair of light emitting diode (LED) electric lighting apparatus; Installation, maintenance and repair of light emitting diode (LED) electric lighting devices; ] Installation, maintenance and repair of organic light emitting diodes (OLED) lamps; Installation, maintenance and repair of organic light emitting diodes (OLED) electric lighting apparatus; Installation, maintenance and repair of organic light emitting diodes (OLED) electric lighting devices; Installation, maintenance and repair of lighting apparatus and installations; [ Installation, maintenance and repair of artificial solar lamp; Installation, maintenance and repair of floodlights; Installation, maintenance and repair of fluorescent lamps; Installation, maintenance and repair of lights for vehicles; Installation, maintenance and repair of light bulbs for directional signals of vehicles; Installation, maintenance and repair of lighting apparatus for vehicles; Installation, maintenance and repair of headlights for vehicles; Installation, maintenance and repair of lighting apparatus and devices non-electric; Installation, maintenance and repair of lights for ships; Installation, maintenance and repair of lamps for directional signals of ships; Installation, maintenance and repair of light bulbs for directional signals of ships; Installation, maintenance and repair of anti-glare devices for ships; Installation, maintenance and repair of lighting apparatus and devices for ships; Installation, maintenance and repair of headlights for ships; Installation, maintenance and repair of lights for aircrafts; Installation, maintenance and repair of lamps for directional signals of aircrafts; Installation, maintenance and repair of light bulbs for directional signals of aircrafts; Installation, maintenance and repair of anti-glare devices for aircrafts; Installation, maintenance and repair of lighting apparatus and devices for aircrafts; Installation, maintenance and repair of lighting installations for air vehicles; Installation, maintenance and repair of headlights for aircrafts; Installation, maintenance and repair of lights for railway vehicles; Installation, maintenance and repair of lamps for directional signals of railway vehicles; Installation, maintenance and repair of anti-glare devices for vehicles; Installation, maintenance and repair of lighting apparatus and devices for railway vehicles; Installation, maintenance and repair of headlights for railway vehicles; Installation, maintenance and repair of lights for motorcycles; Installation, maintenance and repair of automobile lights; Installation, maintenance and repair of lamps for directional signals of automobiles; Installation, maintenance and repair of light bulbs for directional signals of automobiles; Installation, maintenance and repair of anti-dazzle devices for automobiles; Installation, maintenance and repair of lighting apparatus and devices for automobiles; Installation, maintenance and repair of headlights for automobiles; Installation, maintenance and repair of bicycle lights; Installation, maintenance and repair of bicycle lamps; Installation, maintenance and repair of lighting apparatus and devices for bicycles; ] Installation, maintenance and repair of deposition machines used for manufacturing light emitting diode (LED); Installation, maintenance and repair of etching machines used for manufacturing light emitting diode (LED); Installation, maintenance and repair of deposition machines used for manufacturing organic light emitting diodes (OLED); Installation, maintenance and repair of etching machines used for manufacturing organic light emitting diodes (OLED)