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| recooling: 9 phrases in 8 subjects |
| Construction | 1 |
| Ecology | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 2 |
| Refrigeration | 1 |
| Technology | 1 |
| Thermal engineering | 1 |
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