| |||
| compressed gas | |||
|
gas comprimido : 15 phrases in 9 subjects |
| Chemistry | 3 |
| Earth sciences | 1 |
| Electric traction | 1 |
| Energy industry | 2 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 3 |
| Transport | 1 |
| |||
| compressed gas | |||
|
gas comprimido : 15 phrases in 9 subjects |
| Chemistry | 3 |
| Earth sciences | 1 |
| Electric traction | 1 |
| Energy industry | 2 |
| Materials science | 1 |
| Mechanic engineering | 2 |
| Medical | 1 |
| Metallurgy | 3 |
| Transport | 1 |