| intercommunication system | |
| gen. | haut-parleur pour conversation bilatérale; installation d'intercommunication; interphone |
|
Vehicular : 29 phrases in 11 subjects |
| Astronautics | 1 |
| Communications | 5 |
| Construction | 5 |
| General | 5 |
| Geography | 1 |
| Law | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 1 |
| Politics | 1 |
| Technology | 1 |
| Transport | 7 |