Anemometers; Durometers; Flowmeters; Battery powered meter for measuring the moisture content of coffee beans; Concrete testing machines; Electronic testing equipment, namely, sound level meters; Electronic ultrasonic test equipment, namely, ultrasonic flaw detectors, thickness testers and hardness testers, for non-medical use; Gas testing instruments; Laser level measuring apparatus; Laser rangefinders; Surface roughness testing machines and instruments; Surveying instruments; Ultrasonic thi...