Data processing equipment and computers, namely, data processors; computer software, namely, programs for design and planning of installations for lighting, air conditioning, ventilating and heating; regulating and control devices and equipment for lighting installations and lights, namely, electric light dimmers and electric light switches, and touch panels; ballasts and starters for glow-discharge lamps; electronic transformers; connectors and plug connections for fiber-optic cables; fiber-optic light lines of glass or plastic fibers; filters and barrier filters for optical devices, namely, color filters for use in lighting instruments; filters for photographic, cinematographic, video and performing arts equipment lighting; light outlets; lenses for focusing light

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; grilles for directing light; reflectors and covers for lights; lamp sockets; lamp hanging supports, 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, namely, air blowers and air directing vanes; ventilation grilles for directing 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

Design and technical planning of installations for lighting, air conditioning, ventilation and heating, namely, design of installation schematics; computer programming for others, namely, programming of computing routines for electronic data processing equipment