Burglar alarms; Computer monitors; Data cables; Electric cables and wires; Electric control panels; Electric installations for the remote control of industrial operations; Electricity distribution consoles; Electronic agendas; Electronic numeric displays; Emergency warning lights; Graphite electrodes; Remote controls for televisions; Rotating lights; Scintillation counters; Semi-conductors; Semiconductor chips; Silicon carbide diodes; Surveying instruments; Transmitters of electronic signals;...