|
granular structure : 6 phrases in 6 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
|
granular structure : 6 phrases in 6 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Geology | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |