PRECISION MEASUREMENT

Measuring devices, namely, protractors, rulers, T-squares, range finders, thermometers, hygrometers, hydrometers, anemometers, ammeters, speedometers, accelerometers, seismometers, spectrometers, refractometers, barometers, pressure gauges, scales, calipers, micrometers, opisometers, stadimeters, laser distance meters, and ultrasonic ranging modules