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| screen pipe openings | |||
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| filter hole | |||
| отверстия фильтра: 39 phrases in 13 subjects |
| Armored vehicles | 2 |
| Automobiles | 2 |
| Drilling | 3 |
| Electronics | 1 |
| Melioration | 3 |
| Mining | 1 |
| Oil / petroleum | 9 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Plumbing | 1 |
| Sakhalin | 1 |
| Technology | 13 |
| Transport | 1 |