TJ Mechanical engineering and machinery 2,036 TA Engineering (General). Civil engineering (General) 290 TK Electrical engineering. Electronics Nuclear engineering 205 human 59 T Technology (General) 50 Humans 48 TP Chemical technology 48 TS Manufactures 45 Mechanics applied to machinery. Dynamics 43 Machine design and drawing 39 Finite element method 38 Mechanical engineering & materials 38 Article 26 Deep learning 25 Degrees of freedom (mechanics) 23 Machine construction (General) 23 VM Naval architecture. Shipbuilding. Marine engineering 23 Mechanical engineering 22 Forecasting 19 Mechanical properties 19 TD Environmental technology. Sanitary engineering 19 TJ1-1570 Mechanical engineering and machinery 19 Tensile strength 17 machine learning 17 Failure (mechanical) 16 TL Motor vehicles. Aeronautics. Astronautics 16 algorithm 16 Machine design 15 Machine learning 15 QA75 Electronic computers. Computer science 15