 |
| ladders: 253 phrases in 43 subjects |
| Agriculture | 16 |
| Amphibians and reptiles | 1 |
| Astronomy | 1 |
| Aviation | 2 |
| Chemistry | 2 |
| Coal | 1 |
| Communications | 1 |
| Computers | 1 |
| Construction | 20 |
| Cultural studies | 2 |
| Electric machinery | 1 |
| Electronics | 4 |
| Environment | 3 |
| Figurative | 1 |
| Finances | 2 |
| Fish farming pisciculture | 8 |
| Fishery fishing industry | 1 |
| Forestry | 6 |
| General | 30 |
| Gymnastics | 6 |
| Health care | 1 |
| High energy physics | 2 |
| Hobbies and pastimes | 1 |
| Ichthyology | 2 |
| Immigration and citizenship | 1 |
| Industry | 6 |
| Information technology | 5 |
| Law | 1 |
| Loading equipment | 2 |
| Materials science | 45 |
| Mathematics | 3 |
| Mechanic engineering | 10 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 3 |
| Ornithology | 2 |
| Piezoelectric crystals | 1 |
| Polymers | 2 |
| Social science | 2 |
| Swimming | 1 |
| Technology | 4 |
| Textile industry | 1 |
| Transport | 46 |
| Water resources | 1 |