 |
| |||
| семиуровневый | |||
|
seven layers : 12 phrases in 9 subjects |
| Astronautics | 1 |
| Construction | 1 |
| General | 1 |
| Information security and data protection | 1 |
| Information technology | 2 |
| Mass media | 1 |
| Nanotechnology | 1 |
| Security systems | 1 |
| Technology | 3 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips