TJ Mechanical engineering and machinery 662 TA Engineering (General). Civil engineering (General) 84 TK Electrical engineering. Electronics Nuclear engineering 76 Machine design and drawing 39 TS Manufactures 23 Mechanics applied to machinery. Dynamics 16 Finite element method 15 Machine design 15 Machine construction (General) 13 human 13 T Technology (General) 12 TP Chemical technology 11 Biomechanics 9 Humans 9 3D printers 8 Aeronautics. Aeronautical engineering 8 Deep learning 8 Deformation 8 Degrees of freedom (mechanics) 8 Machine learning 8 HD Industries. Land use. Labor 7 Mechanical engineering 7 QA75 Electronic computers. Computer science 7 Stiffness 7 VM Naval architecture. Shipbuilding. Marine engineering 7 Civil engineering, surveying & building 6 Forecasting 6 Learning algorithms 6 Performance 6 Robots 6