| |||
| prueba de servicio | |||
|
service testing : 18 phrases in 9 subjects |
| Communications | 2 |
| Electronics | 1 |
| Finances | 1 |
| International trade | 1 |
| Natural sciences | 1 |
| Patents | 5 |
| Technology | 4 |
| United Nations | 1 |
| Water resources | 2 |
| |||
| prueba de servicio | |||
|
service testing : 18 phrases in 9 subjects |
| Communications | 2 |
| Electronics | 1 |
| Finances | 1 |
| International trade | 1 |
| Natural sciences | 1 |
| Patents | 5 |
| Technology | 4 |
| United Nations | 1 |
| Water resources | 2 |