 |
| |||
| ring installation | |||
| ferrule mounting | |||
| |||
| cowling (обечайки, обтекателя) | |||
| установка колец: 36 phrases in 9 subjects |
| Anti-air artillery | 1 |
| Armored vehicles | 6 |
| Automobiles | 9 |
| Aviation | 3 |
| Firefighting and fire-control systems | 1 |
| General | 1 |
| Mass media | 2 |
| Technology | 5 |
| Transport | 8 |