загорание: 49 phrases in 17 subjects |
Astronautics | 1 |
Aviation | 1 |
Construction | 2 |
Firefighting and fire-control systems | 12 |
Forestry | 4 |
General | 1 |
Makarov | 6 |
Mining | 3 |
Nautical | 1 |
Occupational health & safety | 1 |
Oil and gas technology | 1 |
Oilfields | 1 |
Public utilities | 1 |
Signalling | 1 |
Technology | 9 |
Thermal engineering | 2 |
Transport | 2 |