Electric and electronic control, metering, monitoring, regulating apparatus and instruments, namely, automatic control valves for regulating the flow of gases and liquids, level switches and level indicators for monitoring and controlling liquids in tanks and vessels, liquid level sensors, liquid level transmitters, electrodes, conductivity meters, conductivity sensors, conductivity controllers, capacitance level controllers, condensate monitors; sight glasses being sight flow indicators and ...

Computer software used for recording and tracking a person's activities on the Internet and personal computers