|
corrosive attack : 10 phrases in 7 subjects |
| Ecology | 1 |
| General | 1 |
| Non-destructive testing | 1 |
| Oil / petroleum | 1 |
| Quality control and standards | 1 |
| Technology | 4 |
| Transport | 1 |
|
corrosive attack : 10 phrases in 7 subjects |
| Ecology | 1 |
| General | 1 |
| Non-destructive testing | 1 |
| Oil / petroleum | 1 |
| Quality control and standards | 1 |
| Technology | 4 |
| Transport | 1 |