 |
| |||
| sand base course; sand bed | |||
| sand mattress (под каменную наброску) | |||
| sand cushion; sand mattress (под каменную наброску или под фундамент) | |||
| песчаная подготовка: 9 phrases in 5 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Construction | 2 |
| Electronics | 1 |
| Technology | 4 |