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Radioactive Sources : 39 phrases in 18 subjects |
| Business style | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Energy industry | 3 |
| International law | 1 |
| Makarov | 4 |
| Medical | 1 |
| Medical appliances | 4 |
| Metrology | 2 |
| Natural resourses and wildlife conservation | 3 |
| Nuclear and fusion power | 5 |
| Nuclear physics | 2 |
| Occupational health & safety | 1 |
| Oilfields | 1 |
| Politics | 5 |
| Security systems | 1 |
| Shipbuilding | 1 |
| Technology | 1 |