TJ Mechanical engineering and machinery Machine design and drawing 7 HD Industries. Land use. Labor 6 TS Manufactures 6 Machine construction (General) 4 Aeronautics. Aeronautical engineering 2 Mechanics applied to machinery. Dynamics 2 Animal feeds and feed mills. Pet food industry 1 Finite element method 1 GE Environmental Sciences 1 HD28 Management. Industrial Management 1 Information technology. Information systems 1 Mechanical movements 1 NA Architecture 1 NC Drawing Design Illustration 1 Rubber industry 1 T Technology (General) 1 TP Chemical technology 1 VM Naval architecture. Shipbuilding. Marine engineering 1 Work measurement. Methods engineering 1