urban areas : 51 phrases in 17 subjects |
Astronautics | 1 |
Business | 2 |
Construction | 13 |
Ecology | 1 |
Economy | 3 |
Energy industry | 1 |
General | 10 |
Makarov | 5 |
Military | 5 |
Occupational health & safety | 1 |
Rail transport | 1 |
Sakhalin | 1 |
Security systems | 1 |
Sociology | 1 |
Statistics | 1 |
Technology | 1 |
United Nations | 3 |