TK Electrical engineering. Electronics Nuclear engineering 164 TJ Mechanical engineering and machinery 34 TP Chemical technology 24 T Technology (General) 16 Q Science (General) 12 QC Physics 12 TA Engineering (General). Civil engineering (General) 9 QA Mathematics 8 Electric power distribution. Electric power transmission 5 New Zealand 5 QA75 Electronic computers. Computer science 5 QD Chemistry 5 Electric apparatus and materials. Electric circuits. Electric networks 4 G70.212-70.215 Geographic information system 4 HE Transportation and Communications 4 QA76 Computer software 4 TS Manufactures 4 Applications of electric power 3 Biomechanics 3 Neural networks (Computer science) 3 Photovoltaic power systems 3 Power 3 Power resources 3 Case study 2 Children 2 Developing countries 2 Electric current (General) 2 Electronic funds transfers 2 Evolutionary programming (Computer science). Genetic algorithms 2 Foucault 2