Data processing equipment and computers; computer software, especially programs for use in the design and planning of safety and emergency lighting, air conditioning, ventilating and heating, regulating and control apparatus and instruments; ballasts and starters for glow-discharge lamps; electronic transformers, connectors and plug connections for fibre optic cables; fibre optic cables, especially for use with lights; lenses for focusing of light

Safety and emergency lights and parts and fittings therefor, especially casings, grids for directing light, reflectors and covers, pendulum suspensions, filters and barrier filters, light outlets (fitted lights); lamp sockets; ventilating installations and apparatus; devices for directing and guiding of air, blades/slides for channelling air, rollers for the directing of air; air conditioning installations and apparatus; heating installations and apparatus