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heating-up : 43 phrases in 14 subjects |
| Chemistry | 3 |
| Coal | 1 |
| Construction | 6 |
| Earth sciences | 1 |
| Electronics | 1 |
| General | 3 |
| Industry | 13 |
| Informal | 2 |
| Mechanic engineering | 2 |
| Medical appliances | 4 |
| Microelectronics | 1 |
| Optics branch of physics | 2 |
| Technology | 2 |
| Thermal Energy | 2 |