 |
ground-return
| path
| ground return | |
| avia. Canada | écho de sol |
| tech. | écho du terrain |
| ground returns | |
| commun. el. | écho de sol |
| path | |
| environ. | sentier |
| ground-return: 7 phrases in 3 subjects |
| Communications | 4 |
| Electric machinery | 1 |
| Transport | 2 |