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| safety concern | |||
| фактор опасности: 25 phrases in 11 subjects |
| Aviation medicine | 1 |
| Firefighting and fire-control systems | 7 |
| Forestry | 2 |
| General | 3 |
| Makarov | 2 |
| Occupational health & safety | 2 |
| Oil and gas | 1 |
| Production | 1 |
| Sakhalin | 3 |
| Sakhalin S | 2 |
| Security systems | 1 |