 |
| |||
| de surface | |||
|
a cielo abierto : 43 phrases in 11 subjects |
| Agriculture | 16 |
| Coal | 4 |
| Construction | 3 |
| Environment | 2 |
| Geology | 3 |
| Life sciences | 1 |
| Mechanic engineering | 1 |
| Mining | 5 |
| Social science | 1 |
| Transport | 4 |
| Water resources | 3 |
|
| |||
| de surface | |||
|
a cielo abierto : 43 phrases in 11 subjects |
| Agriculture | 16 |
| Coal | 4 |
| Construction | 3 |
| Environment | 2 |
| Geology | 3 |
| Life sciences | 1 |
| Mechanic engineering | 1 |
| Mining | 5 |
| Social science | 1 |
| Transport | 4 |
| Water resources | 3 |