 |
| |||
| frictionnel | |||
| frictional: 39 phrases in 14 subjects |
| Coal | 1 |
| Construction | 5 |
| Earth sciences | 3 |
| Electronics | 1 |
| Finances | 1 |
| International Monetary Fund | 2 |
| Life sciences | 2 |
| Mechanic engineering | 6 |
| Medical | 2 |
| Metallurgy | 6 |
| Packaging | 1 |
| Politics | 2 |
| Textile industry | 1 |
| Transport | 6 |