 |
| |||
| shallow manhole | |||
| shallow well | |||
| shallow well (20 футов и меньше) | |||
| shallow well (глубиной 6 м и менее); shallow well (до 30 м) | |||
| мелкий колодец: 5 phrases in 4 subjects |
| Construction | 1 |
| Makarov | 1 |
| Water resources | 1 |
| Water supply | 2 |
|
| |||
| shallow manhole | |||
| shallow well | |||
| shallow well (20 футов и меньше) | |||
| shallow well (глубиной 6 м и менее); shallow well (до 30 м) | |||
| мелкий колодец: 5 phrases in 4 subjects |
| Construction | 1 |
| Makarov | 1 |
| Water resources | 1 |
| Water supply | 2 |