συνδετήρας : 159 phrases in 14 subjects |
Agriculture | 1 |
Chemistry | 2 |
Communications | 6 |
Construction | 1 |
Earth sciences | 4 |
Electronics | 25 |
General | 1 |
Hobbies and pastimes | 2 |
Industry | 14 |
Information technology | 19 |
Materials science | 20 |
Mechanic engineering | 27 |
Medical | 2 |
Transport | 35 |