TA Engineering (General). Civil engineering (General) 22 TH Building construction 16 Housing 14 Technology: general issues 14 Residential building 10 Residential buildings, domestic buildings 9 History of engineering and technology 8 Research & information: general 7 Energy 5 Energy utilization 5 Architecture 4 Energy efficiency 4 History of engineering & technology 4 NA Architecture 4 New Zealand 4 TK Electrical engineering. Electronics Nuclear engineering 4 Tall buildings 4 residential building 4 Architecture: professional practice 3 Atmospheric temperature 3 Building construction & materials 3 Building materials 3 Buildings 3 H Social Sciences (General) 3 Heating 3 High rise residential building 3 Physics 3 The Arts 3 Thermal insulation 3 Ancient history: to c 500 CE 2