 |
| hand signal: 15 phrases in 9 subjects |
| Acoustics | 1 |
| Caspian | 1 |
| Firefighting and fire-control systems | 1 |
| Makarov | 2 |
| Military | 2 |
| Rail transport | 1 |
| Road works | 1 |
| Security systems | 1 |
| Technology | 5 |
|
| hand signal: 15 phrases in 9 subjects |
| Acoustics | 1 |
| Caspian | 1 |
| Firefighting and fire-control systems | 1 |
| Makarov | 2 |
| Military | 2 |
| Rail transport | 1 |
| Road works | 1 |
| Security systems | 1 |
| Technology | 5 |