TA Engineering (General). Civil engineering (General) 484 Civil engineering, surveying & building 53 Technology: general issues 46 History of engineering and technology 38 Building construction & materials 21 Mechanical engineering & materials 16 History of engineering & technology 13 Materials science 12 Structural engineering 11 Mechanical engineering 9 Civil engineering, surveying and building 6 TA1-2040 Engineering (General). Civil engineering (General) 6 TH Building construction 6 Conservation of buildings and building materials 5 TD Environmental technology. Sanitary engineering 5 Alternative & renewable energy sources & technology 4 History 4 Transport technology & trades 4 Architecture 3 Building construction and materials 3 Compressive strength 3 Concrete 3 Environmental science, engineering & technology 3 Environmental science, engineering and technology 3 HD28 Management. Industrial Management 3 Highway & traffic engineering 3 Mobile phone technology 3 Q Science (General) 3 Research & information: general 3 Strength and testing 3