Cable locators; Carbon dioxide detectors; Carbon monoxide detectors; LAN (local area network) hardware; Radiation detectors; Radiation-measuring instruments; RF tuning devices, namely, resonators; Thermometers, not for medical purposes; Vibration meters; Analog multimeters; Digital multimeters; Electromagnetic apparatus used to generate or measure magnetic fields; Safety sensors, namely, carbon monoxide detectors, smoke detectors, and combination carbon monoxide and smoke detectors