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| environment, health and safety (Denis Lebedev) | |||
| техника безопасности, охрана труда и окружающей среды: 45 phrases in 14 subjects |
| Caspian | 2 |
| Chemical industry | 1 |
| Ecology | 4 |
| Gas processing plants | 4 |
| General | 7 |
| Karachaganak | 2 |
| Law | 1 |
| Occupational health & safety | 6 |
| Oil and gas | 4 |
| Production | 2 |
| Sakhalin | 7 |
| Sakhalin R | 2 |
| Security systems | 2 |
| Tengiz | 1 |