 |
| |||
| flight stairs; staircase with several flights | |||
| stairway; stair | |||
| маршевая лестница: 3 phrases in 3 subjects |
| Building structures | 1 |
| General | 1 |
| Oilfields | 1 |
|
| |||
| flight stairs; staircase with several flights | |||
| stairway; stair | |||
| маршевая лестница: 3 phrases in 3 subjects |
| Building structures | 1 |
| General | 1 |
| Oilfields | 1 |