 |
| heating circuit: 22 phrases in 11 subjects |
| Caspian | 1 |
| Construction | 1 |
| Electronics | 3 |
| Energy industry | 5 |
| Heating | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Production | 1 |
| Programming | 4 |
| Technology | 3 |
| Thermal engineering | 1 |
|
| heating circuit: 22 phrases in 11 subjects |
| Caspian | 1 |
| Construction | 1 |
| Electronics | 3 |
| Energy industry | 5 |
| Heating | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Production | 1 |
| Programming | 4 |
| Technology | 3 |
| Thermal engineering | 1 |