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; lamp casings, namely, housings for lighting fixtures; grilles for directing light, namely, lighting tracks and louvers; reflectors and covers for lights, namely, lamp reflectors, lamp shades and covers for light control and guidance diffusers, housings for lighting fixtures and lamps; lamp sockets for electric lights; lamp hanging supports, namely, suspension pendants for lamps; 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, namely, air blowers and air directing vanes; ventilation grills for directing air, namely, ventilating louvers; rollers for directing air, air conditioning installations, devices and equipment, namely, air conditioners, air filters for air condition units and valves for air conditioners; heating installations, devices and equipment, namely, electric heating fans, electric radiators for heating buildings and thermostatic valves