TJ Mechanical engineering and machinery 24 Machine design and drawing 7 Antennas 3 Neural networks (Computer science) 3 Production of electric energy or power. Powerplants. Central stations 3 Analysis 2 Analytical methods used in the solution of physical problems 2 Control engineering systems. Automatic machinery (General) 2 Dyes 2 Electric apparatus and materials. Electric circuits. Electric networks 2 Extraction (Chemistry) 2 Finite element method 2 Malaysia 2 Mechanics applied to machinery. Dynamics 2 Miscellaneous motors and engines.Including gas, gasoline, diesel engines 2 Programming. Rule-based programming. Backtrack programming 2 TD Environmental technology. Sanitary engineering 2 Temperature 2 Aeronautics. Aeronautical engineering 1 Applications of electric power 1 Applications of electronics 1 Ball games: Baseball, football, golf, etc 1 Biochemistry 1 Biology 1 Biomass 1 Bonds 1 By region or country 1 Client/server computing 1 Composite materials 1 Computer software 1