9 SCIENTIFIC, RESEARCH, AUDIOVISUAL, OPTICAL, WEIGHING, MEASURING, SIGNALING, DETECTION, TESTING, INSPECTION, RESCUE AND TEACHING APPARATUS AND INSTRUMENTS; NETWORK COMMUNICATION DEVICES, SOFTWARE; SCIENTIFIC, RESEARCH, AUDIOVISUAL, OPTICAL, WEIGHING, MEASURING, SIGNALING, DETECTION, TESTING, INSPECTION, RESCUE AND TEACHING APPARATUS AND INSTRUMENTS; NETWORK COMMUNICATION DEVICES, SOFTWARE; EXPRESSLY EXCLUDING POWER ELECTRICAL CABLES FOR CONTROL AND INSTRUMENTATION