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Intrinsically Safe : 46 phrases in 19 subjects |
| Caspian | 1 |
| Communications | 1 |
| Electrical engineering | 3 |
| Electricity | 5 |
| Energy industry | 3 |
| Firefighting and fire-control systems | 2 |
| General | 6 |
| Makarov | 1 |
| Mining | 1 |
| Occupational health & safety | 3 |
| Oil / petroleum | 3 |
| Oil and gas | 4 |
| Sakhalin | 2 |
| Sakhalin S | 2 |
| Security systems | 1 |
| Solar power | 1 |
| Technology | 5 |
| Tengiz | 1 |
| Transport | 1 |