 |
| |||
| coking arch (слоевой топки); front arch | |||
| передний свод: 10 phrases in 4 subjects |
| Energy industry | 1 |
| Medical | 1 |
| Technology | 1 |
| Thermal engineering | 7 |
|
| |||
| coking arch (слоевой топки); front arch | |||
| передний свод: 10 phrases in 4 subjects |
| Energy industry | 1 |
| Medical | 1 |
| Technology | 1 |
| Thermal engineering | 7 |