 |
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| trench wall | |||
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| wall of the trench (Leonid Dzhepko) | |||
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| manhole walls | |||
| стенка траншеи: 45 phrases in 12 subjects |
| Bridge construction | 1 |
| Caspian | 1 |
| Construction | 14 |
| Hydraulic engineering | 4 |
| Makarov | 4 |
| Occupational health & safety | 4 |
| Oil / petroleum | 5 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Oilfields | 1 |
| Road works | 2 |
| Technology | 4 |