TJ Mechanical engineering and machinery 8 Detectors. Sensors. Sensor networks 7 Electric apparatus and materials. Electric circuits. Electric networks 4 Electronics 3 Machine design and drawing 3 Pattern recognition systems 3 Wireless communication systems. Mobile communication systems. Access control 3 Applications of electric power 2 Enviromental management 2 Fuzzy logic 2 Mechanics applied to machinery. Dynamics 2 Nervous System 2 Signals and signaling 2 Telecommunication 2 Agricultural machinery. Farm machinery 1 Algorithms 1 Animal biochemistry 1 Applications of electronics 1 Computer applications to medicine. Medical informatics 1 Computer engineering. Computer hardware 1 Computer simulation 1 Control engineering systems. Automatic machinery (General) 1 Cryptography. Access control. Computer security 1 Devices for production of electricity by direct energy conversion 1 Dynamoelectric machinery and auxiliaries.Including generators, motors, transformers 1 Electric controllers. Rheostats. Regulators. Starters 1 Electricity and magnetism 1 Energy conservation 1 Engineering mathematics. Engineering analysis 1 Engineering meteorology 1