Alarm installations and alarms; Cabinets for loudspeakers; Downloadable computer software for word processing; Electric connections; Electrical controlling devices; Fire alarms; Locks, electric; Optical sensors; Remote control telemetering machines and apparatus; Remote controls for televisions; Sprinkler systems for fire protection; Switches, electric; Temperature sensors; Time switches, automatic; Video screens; Apparatus and instruments for conveying, distributing, transforming, storing, r...