ladder: 63 phrases in 16 subjects |
Agriculture | 4 |
Botany | 1 |
Construction | 1 |
Electric machinery | 2 |
Electronics | 1 |
Environment | 1 |
Finances | 2 |
Fish farming pisciculture | 2 |
Forestry | 1 |
Industry | 6 |
Information technology | 3 |
Materials science | 28 |
Mathematics | 2 |
Mechanic engineering | 1 |
Statistics | 2 |
Transport | 6 |