traps : 425 phrases in 50 subjects |
Agriculture | 66 |
Animal husbandry | 1 |
Antennas and waveguides | 1 |
Chemistry | 13 |
Coal | 3 |
Communications | 2 |
Construction | 9 |
Drilling | 3 |
Earth sciences | 22 |
Ecology | 1 |
Economics | 5 |
Electronics | 32 |
Environment | 23 |
Finances | 2 |
Fish farming pisciculture | 13 |
Fishery fishing industry | 9 |
General | 43 |
Health care | 3 |
Hobbies and pastimes | 8 |
Horticulture | 2 |
Hydrology | 5 |
Industry | 9 |
Information technology | 4 |
Insurance | 1 |
International Monetary Fund | 10 |
Laboratory equipment | 2 |
Law | 1 |
Life sciences | 5 |
Materials science | 2 |
Mechanic engineering | 17 |
Meteorology | 1 |
Microsoft | 4 |
Military | 3 |
Municipal planning | 2 |
Natural resourses and wildlife conservation | 2 |
Natural sciences | 2 |
Nuclear and fusion power | 1 |
Oil / petroleum | 2 |
Pest control | 2 |
Photography | 2 |
Physical sciences | 6 |
Piezoelectric crystals | 2 |
Plumbing | 4 |
Psychology | 1 |
Radio | 2 |
Rail transport | 2 |
Social science | 15 |
Technology | 25 |
Transport | 29 |
United Nations | 1 |