9 Electrical and electronic control, regulating, switching and monitoring devices, in the nature of controls and regulators for driving machine axes, namely, electrical controllers for driving machine axes; switches, rectifies, frequency converters for servo motors, namely, electric frequency converters and electric switches for servomotors; electrical drive mechanisms, namely, electric drives for motors of production machines; electrical drive system equipment for the regulation and operation of machines, namely, power supply units, control units, position controls, speed controls, force controls, analog and digital interface modules, drive computers; computer programs for the control of the work cycle of numerically controlled machine tools; computer programs used to automate the operation of machine tools; computer programs used for operating electrical and electronic control regulating, switching and monitoring devices and computer programs used to automate the operation of machine tools