Weighing, measuring, signalling, and supervising in the nature of checking apparatus, instruments and regulators, and parts and components thereof, namely, slant sensors in the nature of sensors for inclination detection, motion sensors, length detectors, speed sensors, linear position sensors, position sensors, temperature sensors, angle sensors, fluid sensors in the nature of sensors for measuring fill levels not for medical use, gas sensors for measuring gas concentration, acceleration sensors, pressure sensors, liquid level sensors, hall sensors in the nature of sensors for detection of linear or rotational movement; air mass, speed, temperature, flow, pressure, motion, position, angle, acceleration, pressure, fluid level sensors and air mass, speed, temperature, flow, pressure, motion, position, angle, acceleration, pressure, fluid level detectors and components thereof; electric sensors and electronic motion, position, angle, speed, pressure sensors, and parts and components thereof; electric sensor switches; photoelectric sensors; apparatus, equipment and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric cables and wires, plug-in connectors, electric plugs, electric switch housings, PCB's; none of the aforesaid goods being medium voltage switching installations or parts therefor