TK Electrical engineering. Electronics Nuclear engineering 54 TA Engineering (General). Civil engineering (General) 20 QA75 Electronic computers. Computer science 19 TJ Mechanical engineering and machinery 15 human 11 Construction 10 Architectural design 9 L Education (General) 9 Sustainable development 9 Project management 8 TH Building construction 8 Construction industry 7 Humans 7 QA76 Computer software 7 Surveys 7 Building Information Modelling 5 Construction projects 5 Design 5 Information theory 5 T Technology (General) 5 TP Chemical technology 5 adult 5 article 5 controlled study 5 Article 4 Decision making 4 HE Transportation and Communications 4 Life cycle 4 Robotics 4 Simulation 4