Radio frequency transmitters; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (inspecting), life-saving and teaching apparatus and instruments, except remote controls for solar and heating installations; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, except those intended for heating installations and solar installations; sound or image recording, transmission or reproduction apparatus; magnetic recording media, sound recording disks; compact disks; DVDs and other digital recording media; mechanisms for coin-operated apparatus; cash registers; calculating machines; data processing equipment; computers; software, except software designed for planning and calculation of heating installations and for operating heating boiler installations and solar installations; fire extinguishers.