 |
| conveyor belt: 72 phrases in 16 subjects |
| Agriculture | 1 |
| Chemistry | 2 |
| Coal | 3 |
| Economy | 1 |
| Forestry | 1 |
| General | 5 |
| Industry | 13 |
| Machine tools | 2 |
| Materials science | 2 |
| Mechanic engineering | 10 |
| Medical | 1 |
| Metallurgy | 7 |
| Meteorology | 8 |
| Natural sciences | 1 |
| Packaging | 10 |
| Transport | 5 |