helling : 35 phrases in 15 subjects |
Agriculture | 1 |
Communications | 1 |
Construction | 2 |
Earth sciences | 4 |
Electronics | 5 |
Environment | 1 |
Life sciences | 7 |
Materials science | 2 |
Mathematics | 4 |
Mechanic engineering | 1 |
Mineral products | 1 |
Natural sciences | 3 |
Statistics | 1 |
Technology | 1 |
Transport | 1 |