temps mort : 42 phrases in 15 subjects |
Astronautics | 1 |
Automated equipment | 2 |
Aviation | 4 |
Basketball | 3 |
Bible | 1 |
Chemistry | 1 |
Forestry | 1 |
Information technology | 2 |
Military | 1 |
Nuclear physics | 3 |
Physics | 3 |
Radiation | 13 |
Technology | 3 |
Volleyball | 3 |
Welding | 1 |