9 radon detectors; air analysis apparatus; pressure measuring apparatus; distance measuring apparatus; gas testing instruments; hygrometers; radiological apparatus for industrial purposes, namely, industrial x-ray apparatus; dosimeters; tool measuring instruments; instruments for measuring length; computer hardware; measuring apparatus, sensors, and instruments for electric, electronic, physical, and chemical values, namely, walking distance meter, pedometer, accelerometer, tilt meter, directional compass, electronic directional compass, rotation meter, magnetometer, ammeter, pressure gauge, force gauge, and motion sensor in the nature of movement direction sensor, a sensor for determining position in the nature of the position meter, an electromagnetic wave meter, thermometer not for medical purposes, infrared radiation meter not for medical use and light meter; testing apparatus not for medical purposes, namely, testing apparatus for batteries in the nature of battery testers