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| parete composta; parete doppia; parete multipla | |||
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paroi double : 25 phrases in 12 subjects |
| Agriculture | 1 |
| Chemistry | 3 |
| Communications | 1 |
| Construction | 2 |
| Customs | 1 |
| Energy industry | 2 |
| General | 1 |
| Industry | 1 |
| Materials science | 6 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Water resources | 1 |