TK Electrical engineering. Electronics Nuclear engineering 158 TJ Mechanical engineering and machinery 14 TA Engineering (General). Civil engineering (General) 10 LB Theory and practice of education 8 HD28 Management. Industrial Management 6 H Social Sciences (General) 5 QA75 Electronic computers. Computer science 5 T Technology (General) 5 TP Chemical technology 4 HE Transportation and Communications 3 L Education (General) 3 Q Science (General) 3 QA76 Computer software 3 TH Building construction 3 HD58.7-58.95 Organizational behavior, change and effectiveness. Corporate culture 2 Production of electric energy or power. Powerplants. Central stations 2 Production of electricity by direct energy conversion 2 QC Physics 2 Stroke 2 T58.5-58.64 Information technology 2 TH1-9745 Building construction 2 TS Manufactures 2 AC System 1 Applications of electric power 1 Autonomous Underwater Vehicle 1 Battery management system 1 Beef 1 Bicycles -- Design and construction 1 Bicycles -- Performance 1 Biomechanics 1