Aerials; Capacitors; Radios; Semi-conductors; Transformers; Battery chargers; Cables, electric; Cards with integrated circuits; Central processing units (CPU); Computer peripheral devices; Electric installations for the remote control of industrial operations; Electric transformers; Global positioning system (GPS) apparatus; Horns for loudspeakers; Interfaces for computers; LCD monitors for security purposes; Luminous pointers; Resistances, electric; Solar panels for the production of electri...