 |
| |||
| chauffage central collectif; chauffage central d'immeuble | |||
| calefacción central: 22 phrases in 7 subjects |
| Chemistry | 5 |
| Construction | 1 |
| Environment | 7 |
| General | 3 |
| Industry | 1 |
| Materials science | 2 |
| Mechanic engineering | 3 |
|
| |||
| chauffage central collectif; chauffage central d'immeuble | |||
| calefacción central: 22 phrases in 7 subjects |
| Chemistry | 5 |
| Construction | 1 |
| Environment | 7 |
| General | 3 |
| Industry | 1 |
| Materials science | 2 |
| Mechanic engineering | 3 |