Lighting apparatus, instruments and devices; lights; sportlights; optical fibre lighting systems; housings for lights and lamps, louvers for directing light, reflectors, mirrors and covers for lights, lamp holders, suspension pendants for lights; mounting plates for lights; optical fibre light-guides of glass and plastic fibres; filters and notch filters, light escapes, lenses for focusing light; ventilating units, apparatus and instruments; air directing and air guiding apparatus and instruments, air directing vanes, air directing rollers; air-conditioning units, apparatus and instruments; heating units, apparatus and instruments; parts and fittings for all the aforesaid goods

Design and planning of lighting, air conditioning, ventilation and heating systems; computer programming for electronic data processing systems