Description: Laboratory equipment and supplies, namely, thermometers; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Radiation-measuring instruments; Measuring apparatus for temperature and humidity levels in gases and solid substances; Pressure recorders; Alarms for the detection of inflammable gases; Circuit testers; Gloves for laboratory purposes; Combustible gas concentration detectors; Portable dust measuring apparatus; Voltage testers; Resistance measuring instruments; Textile testers; Apparatus for analysing gases; Semiconductor testing apparatus; Surveying instruments; Gas testing instruments; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; amperage testers; Gas detectors for detecting the presence of gas
