TJ Mechanical engineering and machinery 49 Mechanics applied to machinery. Dynamics 10 TD Environmental technology. Sanitary engineering 5 Computer engineering. Computer hardware 3 Control engineering systems. Automatic machinery (General) 3 Machine design and drawing 3 Mechanical and electrical engineering combined 3 Biomedical engineering 2 Computer applications to medicine. Medical informatics 2 Database management 2 Engineering mathematics. Engineering analysis 2 Geographic information systems 2 Heat engines 2 Hydrology. Water 2 Information services. Information centers 2 Machine construction (General) 2 Mechanical movements 2 Power resources 2 Sewage disposal systems 2 Structural engineering 2 Treatment, purification, etc 2 Academic libraries 1 Accidents. Prevention of accidents 1 Algorithms 1 Apparatus and materials 1 Applications of electronics 1 Architectural engineering. Structural engineering of buildings 1 Blended learning. Computer assisted instruction. Programmed instruction 1 Business logistics 1 Capability maturity model (Computer software). Software engineering 1