| |||
| uso en ambientes explosivos | |||
|
use in explosive atmospheres : 7 phrases in 4 subjects |
| Coal | 1 |
| Energy industry | 1 |
| Industry | 1 |
| Politics | 4 |
| |||
| uso en ambientes explosivos | |||
|
use in explosive atmospheres : 7 phrases in 4 subjects |
| Coal | 1 |
| Energy industry | 1 |
| Industry | 1 |
| Politics | 4 |