 |
| |||
| stable area | |||
| устойчивая зона: 16 phrases in 12 subjects |
| Advertising | 1 |
| Astronautics | 1 |
| Automobiles | 1 |
| Energy industry | 2 |
| Forestry | 2 |
| Mass media | 1 |
| Nautical | 1 |
| Plastics | 1 |
| Soil science | 1 |
| Technology | 2 |
| Telecommunications | 2 |
| United Nations | 1 |
|
| |||
| stable area | |||
| устойчивая зона: 16 phrases in 12 subjects |
| Advertising | 1 |
| Astronautics | 1 |
| Automobiles | 1 |
| Energy industry | 2 |
| Forestry | 2 |
| Mass media | 1 |
| Nautical | 1 |
| Plastics | 1 |
| Soil science | 1 |
| Technology | 2 |
| Telecommunications | 2 |
| United Nations | 1 |