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| водопроводная труба: 30 phrases in 13 subjects |
| Architecture | 1 |
| Construction | 5 |
| General | 5 |
| Geology | 1 |
| Hydrobiology | 1 |
| Makarov | 8 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 1 |
| Polymers | 1 |
| Technology | 1 |
| Water supply | 2 |