 |
| |||
| билатеральный; двусторонний | |||
| de deux côtés: 27 phrases in 14 subjects |
| Aviation | 1 |
| Construction | 5 |
| Electronics | 1 |
| Food industry | 1 |
| Forestry | 3 |
| Geography | 1 |
| Gymnastics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Polygraphy | 6 |
| Textile industry | 3 |
| Trucks/Lorries | 1 |
| Welding | 1 |