internet of things (IOT) valves, namely, valves for regulating the flow of gas that may be monitored via the Internet, said goods not being parts of plumbing, heating, or cooling installations or machines; stop valves, namely, control valves being safety apparatus for cutting off the flow of gas for gas apparatuses; Pressure couplings for measuring temperature, pressure, quantity and concentration of gas in liquefied petroleum gas (LPG) and natural gas (NG) systems for domestic and commercial...