group section
| in tandem
| group section | |
| el. | sección de grupo primario |
| in tandem | |
| transp. nautic. | convoy; tren |
| |||
| sección de grupo primario | |||
|
group section : 8 phrases in 4 subjects |
| Communications | 4 |
| Earth sciences | 2 |
| General | 1 |
| United Nations | 1 |