| |||
| máscara de oxígeno; aparato de inhalación | |||
|
oxygen mask : 5 phrases in 3 subjects |
| Mechanic engineering | 2 |
| Medical | 2 |
| Technology | 1 |
| |||
| máscara de oxígeno; aparato de inhalación | |||
|
oxygen mask : 5 phrases in 3 subjects |
| Mechanic engineering | 2 |
| Medical | 2 |
| Technology | 1 |