9 Electric actuators; electric valve actuators; automatic valves; valves for controlling and regulating the flow of gases or liquids, not being parts of plumbing, heating, or cooling installations or machines; flow switches for monitoring and controlling the flow of gases or liquids; level switches and level indicators for monitoring and controlling liquids in tanks and vessels; level indicators; fire pump control valves; electronic valves for controlling gas or fluids; expansion valves for fluid control; valves being parts of fire sprinklers; electromagnetic switches, namely, solenoid valves; high-pressure pumps for proportioning and testing purposes; controlled volume pumps; centrifugal metering pumps; liquid level sensors; liquid level controllers; liquid level gauges; pressure controllers for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes; automatic pressure control machines and instruments; ultrasonic sensors; temperature sensors; pressure sensors; liquid level sensors; acceleration sensors; temperature switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; pressure switches and sensors for monitoring, controlling, and switching hydraulic or pneumatic systems; proximity sensors; electronic proximity sensors and switches; optical sensors; gas sensors for measuring gas concentration; electric sensors; sensors for the determination of temperatures, positions, and distances; photoelectric sensors; vibration sensors; infrared sensors; timing sensors; flowmeters; automatic liquid-flow control machines and instruments; metering orifices, namely, orifice plates for metering or controlling the flow rate of liquids; electronic motion sensitive switches