9 Manometers; electric sensors to measure pressure, level, flow directly or remotely; hygrometers; pressure measurement apparatus; level indicators, namely, measuring, monitoring, and controlling apparatus for the levels on liquid, sludge, solid in tank and vessels, comprised of radar level transmitters, ultrasonic level meters, guided wave radar, float meters, magnetic meters, capacitance meters, pressure level transmitters, level switches, magnetostrictive transmitters, contact radar transmitters, non-contact radar transmitters, level indicators, ultrasonic transmitters, and wireless level meters; calorimeters; flow meters; automatic pressure control apparatus; automatic liquid level control apparatus; automatic liquid-flow control apparatus; automatic temperature control apparatus, namely, thermometers not for medical use; apparatus for measuring temperature with temperature sensor namely, temperature transmitters, temperature meters, temperature detectors, temperature sensors, thermocouples, resistance temperature sensors, wireless temperature meters, not for medical use; water level indicators and temperature sensors; none of the foregoing in connection with any product or service offered to customers in the fields or industries of aviation, aerospace or defense