 |
| |||
| dubbele wanden | |||
| paroi double: 25 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 5 |
| Communications | 1 |
| Construction | 2 |
| Customs | 1 |
| Energy industry | 1 |
| Environment | 1 |
| General | 1 |
| Industry | 1 |
| Materials science | 6 |
| Mechanic engineering | 5 |
|
| |||
| dubbele wanden | |||
| paroi double: 25 phrases in 11 subjects |
| Agriculture | 1 |
| Chemistry | 5 |
| Communications | 1 |
| Construction | 2 |
| Customs | 1 |
| Energy industry | 1 |
| Environment | 1 |
| General | 1 |
| Industry | 1 |
| Materials science | 6 |
| Mechanic engineering | 5 |