 |
| hot-water system: 67 phrases in 15 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Architecture | 1 |
| Caspian | 3 |
| Construction | 33 |
| Energy industry | 6 |
| General | 1 |
| Makarov | 4 |
| Oil / petroleum | 2 |
| Oil and gas | 3 |
| Production | 1 |
| Sakhalin | 1 |
| Solar power | 1 |
| Technology | 6 |
| Water supply | 3 |