11 LIGHTING INSTALLATIONS, DEVICES AND EQUIPMENT AND LIGHTS, NAMELY, ELECTRIC LIGHTING FIXTURES AND LAMPS; FIBER-OPTIC LIGHTING INSTALLATIONS, NAMELY, FIBER-OPTIC LIGHTING FIXTURES USED IN CONJUNCTION WITH ELECTRICAL ILLUMINATORS; LIGHT MODULES AND LIGHTS WITH LIGHT EMITTING DIODES AS THE MEANS OF LIGHTING; SOURCES OF LIGHT INCLUDING LIGHT EMITTING DIODES; LAMP CASINGS; GRILLES FOR DIRECTING LIGHT; REFLECTORS AND COVERS FOR LIGHTS; LAMP SOCKETS; LAMP HANGING SUPPORT, NAMELY, SUSPENSION PENDANTS FOR LIGHTS; VENTILATING INSTALLATIONS, DEVICES AND EQUIPMENT, NAMELY, VENTILATING EXHAUST FANS, VENTILATION FANS FOR COMMERCIAL AND INDUSTRIAL USE, VENTILATION HOODS FOR STOVES, VENTILATORS FOR COMMERCIAL AND INDUSTRIAL USE; DEVICES FOR DIRECTING AND GUIDING AIR; ROLLERS FOR DIRECTING AIR; AIR CONDITIONING INSTALLATIONS, DEVICES AND EQUIPMENT, NAMELY, AIR CONDITIONERS, AIR FILTERS FOR AIR CONDITIONING UNITS AND VALVES FOR AIR CONDITIONERS; HEATING INSTALLATIONS, DEVICES AND EQUIPMENT, NAMELY, ELECTRIC HEATING FANS, ELECTRIC RADIATORS FOR HEATING BUILDINGS, AND THERMOSTATIC VALVES