luminosité: 102 phrases in 21 subjects |
Astronautics | 6 |
Astronomy | 27 |
Aviation | 2 |
Chemistry | 3 |
Computers | 1 |
Construction | 1 |
Electronics | 2 |
General | 4 |
High energy physics | 2 |
Measuring instruments | 1 |
Medical | 1 |
Medical appliances | 2 |
Metallurgy | 2 |
Meteorology | 3 |
Microsoft | 5 |
Natural resourses and wildlife conservation | 1 |
Physics | 3 |
Polygraphy | 6 |
Radio | 9 |
Technology | 20 |
Trucks/Lorries | 1 |