 |
| |||
| bore pit; digging | |||
| profile pit; soil profile pit | |||
| exploring shaft; prospecting shaft; bore plt; dug hole | |||
| |||
| pit; bore pit | |||
| costean; digging; exploratory excavation | |||
| |||
| prospect hole; prospect shaft; trial pit | |||
| |||
| surveying | |||
| |||
| cast hole; trial hole; trial pit; pit | |||
| excavation | |||
| |||
| digging | |||
| |||
| mine | |||
| mine (Kohle, Erz) | |||
|
Schurf : 5 a las frases, 3 temas |
| Construcción | 1 |
| General | 3 |
| Patentes | 1 |