9 Electrical controlling devices; valve operators being electric controls in the nature of electronic control boards; sensors, namely, timing sensors, pressure sensors, temperature sensors, alarm sensors, electric sensors, proximity sensors, Acceleration sensors, Liquid level sensors, Oil level sensors, Industrial calibration sensors, Motion recognizing sensors, sensors for gears detection, angular speed detection, position sensors, fuel level sensors, height sensors; oil level sensors; oil-water level sensors; pressure sensors; electronic pressure sensors; fuel gauges; electric actuators; frequency converter for actuators; electronic throttle controls; electronic clutch controls; electronic brake controls.