System failures (Engineering) Prevention 23 Reliability (Engineering) 22 Reliability 18 Electronic apparatus and appliances 17 Fracture mechanics 13 Testing 10 Engineering design 9 Case studies 8 Data processing 8 Defects 7 Disasters 7 Materials 7 Fault location (Engineering) 6 Machinery 6 Electronic systems 5 Fracture 5 Mathematical models 5 Metals 5 Systems engineering 5 Fatigue 4 Machine learning 4 Manufacturing resource planning 4 Protection 4 Quality control 4 Aerospace engineering 3 Airplanes 3 History 3 Natural disasters 3 Parts 3