111 Mathematics
112 Statistics and probability
113 Computer and information sciences
114 Physical sciences
115 Astronomy, Space science
116 Chemical sciences
117 Geography, Environmental sciences
1171 Geosciences
1172 Environmental sciences
118 Biological sciences
1181 Ecology, evolutionary biology
1182 Biochemistry, cell and molecular biology
1183 Plant biology, microbiology, virology
1184 Genetics, developmental biology, physiology
119 Other natural sciences
211 Architecture
212 Civil and Construction engineering
213 Electrical engineering, Electronic and Information engineering
214 Mechanical engineering
215 Chemical engineering
216 Materials engineering
217 Medical engineering
218 Environmental engineering
219 Environmental biotechnology
220 Industrial biotechnology