16: 34 phrases in 17 subjects |
Astronomy | 1 |
Automobiles | 1 |
Chemistry | 1 |
Cinematography | 1 |
Computers | 6 |
Forestry | 1 |
General | 5 |
Geology | 3 |
Historical | 1 |
Informal | 1 |
Mechanic engineering | 2 |
Medical | 1 |
Mineralogy | 1 |
Mining | 4 |
Patents | 1 |
Physics | 1 |
Polygraphy | 3 |