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| impianto di riscaldamento | |||
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heating system : 48 phrases in 13 subjects |
| Earth sciences | 9 |
| Electronics | 5 |
| Energy industry | 5 |
| Environment | 2 |
| General | 7 |
| Industry | 1 |
| Life sciences | 2 |
| Materials science | 4 |
| Mechanic engineering | 6 |
| Metallurgy | 1 |
| Municipal planning | 1 |
| Natural sciences | 1 |
| Transport | 4 |