[ Electric meters; Electronic data recorders; Flowmeters; Frequency meters; ] Pressure gauges [ ; Pressure indicator plugs for valves; Pressure transmitters; Range finders; Rheostats; Smoke detectors; Solenoid valves; Surveyors' levels; Thermostats; Tool measuring instruments ]

[ Ball valves being parts of machines; Concrete vibrators; Hydraulic engines and motors; Hydraulic pumps; Hydraulic valve actuators; Lubricating pumps; Machine elements not for land vehicles, namely, pneumatic ball transfer units; Machine parts, namely, cylinders; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Pneumatic tube conveyors; Pneumatic valve actuators; ] Pressure regulators being parts of machines [ ; Valves be...