prise de vues : 389 phrases in 22 subjects |
Astronautics | 6 |
Aviation | 44 |
Cinematography | 3 |
Construction | 22 |
Electronics | 1 |
General | 3 |
Geology | 2 |
Hydraulic engineering | 1 |
Law | 2 |
Metallurgy | 1 |
Military | 3 |
Natural resourses and wildlife conservation | 4 |
Oil and gas technology | 2 |
Photography | 3 |
Physics | 3 |
Politics | 1 |
Polygraphy | 7 |
Radio | 5 |
Surveying | 77 |
Technology | 197 |
Television | 1 |
United Nations | 1 |