 |
| boiler capacity: 40 phrases in 10 subjects |
| Construction | 5 |
| Energy industry | 5 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Nautical | 9 |
| Oil / petroleum | 2 |
| Public utilities | 1 |
| Rail transport | 6 |
| Technology | 3 |
| Thermal engineering | 7 |
|
| boiler capacity: 40 phrases in 10 subjects |
| Construction | 5 |
| Energy industry | 5 |
| Makarov | 1 |
| Mechanic engineering | 1 |
| Nautical | 9 |
| Oil / petroleum | 2 |
| Public utilities | 1 |
| Rail transport | 6 |
| Technology | 3 |
| Thermal engineering | 7 |