Electric resistors; variable electric resistors; fixed electric resistors; electric potentiometers; rheostats; sensors for measuring distance, not for medical use; electrical transducers; motion transducers, namely, position sensors; trimmer electric resistors; watercooled electric resistors; braking electric resistors; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electrical conductors, electric transformers, e...