TJ Mechanical engineering and machinery 8 Applications of electric power 6 Electric apparatus and materials. Electric circuits. Electric networks 5 Electricity 4 Electricity and magnetism 4 Electronics 4 Mechanical and electrical engineering combined 4 Devices for production of electricity by direct energy conversion 3 Composite materials 2 Electric conductivity 2 Machine design and drawing 2 Microwave communication systems 2 Nanostructures 2 Production of electricity by direct energy conversion 2 Production of electricity directly from chemical action 2 Research 2 Study and teaching. Research 2 Antennas 1 Apparatus and materials 1 Architectural engineering. Structural engineering of buildings 1 Aromatic compounds 1 Balanced scorecard (Management) 1 Blended learning. Computer assisted instruction. Programmed instruction 1 City planning. Regional planning 1 Computer engineering. Computer hardware 1 Computer security. Security measures. Data recovery. Disaster recovery 1 Computer software 1 Computers in education. Information technology 1 Consumer behavior. Consumers' preferences. Consumer research. Including consumer profiling 1 Consumer satisfaction 1