Zirkulation: 39 phrases in 14 subjects |
Astronomy | 1 |
Earth sciences | 5 |
Economy | 4 |
Energy industry | 2 |
Environment | 2 |
Life sciences | 9 |
Mechanic engineering | 2 |
Medical | 3 |
Medical appliances | 2 |
Metallurgy | 1 |
Mineral products | 2 |
Politics | 1 |
Technology | 4 |
Transport | 1 |