9 Electric and electronic apparatus, namely, remote controls for operating motors, industrial machines, pumps, heating systems and valves, and remote controls to control the overall functions of the centrifuges, filters and filter presses; mechanical, electric and electronic measuring apparatus and measuring instruments, namely, thermometers, pressure gauges, scales, and barometers to measure temperature, pressure, weight, humidity, and rotational speed to be used in connection with the operation of centrifuges, filters and filter presses