 |
| |||
| trefoil formation | |||
|
tresbolillo : 17 phrases in 10 subjects |
| Agriculture | 4 |
| Coal | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Food industry | 1 |
| Industry | 1 |
| Mechanic engineering | 2 |
| Radio | 2 |
| Technology | 1 |
| Transport | 3 |
|
| |||
| trefoil formation | |||
|
tresbolillo : 17 phrases in 10 subjects |
| Agriculture | 4 |
| Coal | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Food industry | 1 |
| Industry | 1 |
| Mechanic engineering | 2 |
| Radio | 2 |
| Technology | 1 |
| Transport | 3 |