9 Measuring and testing machines and instruments for measuring and testing flow rate, flow velocity, temperature, pressure, concentration; gas-flow control machines and instruments; solenoid valves; automatic control machines for liquid and gas, namely, automatic-liquid-flow, liquid-level, and pressure control machines; automatic control instruments for liquid and gas, namely, automatic-liquid-flow, liquid level, and pressure control instruments; automatic regulating machines and instruments, namely, temperature sensors, pressure sensors and flow sensors for detecting pressure, temperature and flow rate inside control device; automatic regulating instruments, namely, automatic flow regulators for commercial use; automatic regulating instruments, namely, control machines for storage valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines; automatic flow rate control machines for gas or liquid; automatic flow rate control instruments for gas or liquid; automatic pressure control instruments for storage and distribution of pressurized gas and liquefied gas; automatic pressure control machines for storage and distribution of pressurized gas and liquefied gas; flow rate control apparatuses, namely, flow regulators for commercial use; electrical measuring devices, namely, technical measuring instruments for measuring the temperature, pressure, quantity and concentration of gas and liquids; technical measuring instruments for measuring the temperature, pressure, quantity and concentration of gas, mass flow controllers or flow regulators