χαλάρωση : 44 phrases in 15 subjects |
Agriculture | 2 |
Communications | 5 |
Earth sciences | 1 |
Electronics | 1 |
Environment | 2 |
Finances | 3 |
Health care | 1 |
Industry | 1 |
Materials science | 1 |
Mechanic engineering | 3 |
Medical | 4 |
Metallurgy | 1 |
Natural sciences | 2 |
Statistics | 1 |
Transport | 16 |