 |
| flexible tube: 16 phrases in 11 subjects |
| Cement | 1 |
| Electronics | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Military | 1 |
| Mining | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Transport | 3 |
|
| flexible tube: 16 phrases in 11 subjects |
| Cement | 1 |
| Electronics | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Military | 1 |
| Mining | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Technology | 4 |
| Transport | 3 |