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| безопасность здания: 23 phrases in 14 subjects |
| Architecture | 2 |
| Astronautics | 1 |
| British usage, not spelling | 1 |
| Caspian | 1 |
| Construction | 1 |
| Environment | 1 |
| Firefighting and fire-control systems | 2 |
| Gas processing plants | 1 |
| General | 3 |
| Oil and gas | 1 |
| Oilfields | 1 |
| Programming | 1 |
| Sakhalin | 1 |
| Security systems | 6 |
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