traps : 345 phrases in 35 subjects |
Agriculture | 66 |
Astronomy | 1 |
Chemistry | 11 |
Communications | 6 |
Construction | 21 |
Earth sciences | 23 |
Economy | 2 |
Electronics | 27 |
Environment | 19 |
Finances | 1 |
Fish farming pisciculture | 10 |
Fishery fishing industry | 1 |
General | 26 |
Health care | 2 |
Hobbies and pastimes | 5 |
Industry | 7 |
Information technology | 2 |
Insurance | 1 |
Life sciences | 2 |
Materials science | 1 |
Mechanic engineering | 17 |
Medical | 3 |
Metallurgy | 15 |
Microsoft | 4 |
Municipal planning | 3 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 2 |
Nuclear and fusion power | 1 |
Physical sciences | 11 |
Piezoelectric crystals | 2 |
Radio | 2 |
Rail transport | 1 |
Social science | 13 |
Technology | 2 |
Transport | 34 |