TK Electrical engineering. Electronics Nuclear engineering 758 History of engineering and technology 414 TA Engineering (General). Civil engineering (General) 372 TJ Mechanical engineering and machinery 369 Technology: general issues 358 History of engineering & technology 149 human 147 Automatic control engineering 132 Humans 120 controlled study 96 Article 90 Research & information: general 89 Electrical engineering 64 Biology, life sciences 53 T Technology (General) 47 Controllers 45 female 45 Artificial intelligence 44 Robotics 44 Environmental science, engineering & technology 42 TP Chemical technology 42 male 42 article 40 Deep learning 39 adult 35 Quality control 34 Technology, engineering, agriculture 34 Learning systems 33 Research and information: general 31 Optimization 30