manchas : 109 phrases in 18 subjects |
Agriculture | 7 |
Book binding | 1 |
Chemistry | 2 |
Communications | 4 |
Economy | 3 |
Electronics | 1 |
Forestry | 2 |
General | 3 |
Geography | 1 |
Industry | 16 |
Life sciences | 11 |
Lighting other than cinema | 1 |
Medical | 9 |
Metallurgy | 7 |
Natural resourses and wildlife conservation | 1 |
Natural sciences | 37 |
Polygraphy | 2 |
Radio | 1 |