9 Switchboards; parts of electrical connections, namely, electrical connectors, and electrical connecting cables; electric display apparatus, namely, lcd large screen displays, flat panel displays, and led large screen displays; regulators for stage lighting fixtures and light installations for buildings; downloadable software and software recorded on cd-rom and dvd for encryption, controlling self-service terminals, application and database integration, and controlling of media displays; memories for apparatus for data processing; blank and prerecorded optical data carriers, if prerecorded featuring music videos, advertisement videos, and public culture event data; blank and prerecorded magnetic data media, the prerecorded featuring music videos, advertisement videos, and public culture event data; electric wires; electronic notice boards; apparatus for reception of sound and images, namely, radio receivers and television receivers; remote control apparatus for electrical circuits for large-scale multimedia displays; interfaces in the form of computer interface boards and in the form of stand-alone boxes with interface circuits, and interface software for connecting computers with large scale multimedia displays; integrated circuit cards, encoded smart cards for the authentication for a control system for large-scale multimedia displays; loudspeakers; illuminated signs; computer programs for monitoring surveillance of electric circuits and their components; projection screens, photograph and movie projection apparatus; luminous diodes; sound locating instruments, namely, sound level meters; plumb lines; voltmeters for electrical installations; power outlets, namely, electrical outlet plates, covers, and testers; mobile telephones; video screens; electronic display boards; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, life-saving and teaching apparatus and instruments, namely, optical disc drives; apparatus and instruments for conducting, connecting, transforming, storing, regulating and controlling of electricity, namely, electrical storage batteries, and electrical conductors; electric apparatus and instruments included in this class, namely, electric coils, electric current switches, and electric sockets; apparatus for the recording, transmission and reproduction of sound and images; blank and prerecorded sound recording disks, the prerecorded disks featuring musical recordings; calculating machines, data processing apparatus and computers; software for controlling the content of large-scale multimedia displays