9 apparatus for recording, transmission, processing and reproduction of sound, images or data; electrical monitoring systems, particularly security cameras; telecommunication devices, namely, telephones; electronic controls for artificial respiratory equipment; machine control systems, namely, electronic interface equipment for machine tools to input or output CNC data; distribution boxes for electrical power; switchboard housings, converters, data processors, electrical measuring devices, namely, calibrators for calibrating ammeters, voltmeters, pairs of scales, temperature measuring devices, length measuring devices, torque measuring instruments, and torque screwdrivers; material for electrical lines, namely, wires, cables; mobile telephones, modems, computer monitors; navigation equipment, namely, navigation systems for vehicles; precision measurement instruments, namely, calibrators for calibrating ammeters, voltmeters, pairs of scales, temperature measuring devices, length measuring devices, torque measuring instruments, and torque screwdrivers; radios for vehicles, particularly car radios; satellite GPS navigation device, electric switches, integrated circuits, electric control panels, transmitters for electronic signals, voltmeters, voltage regulators for motor vehicles, transformers, central processing units