 |
| bouton-poussoir: 47 phrases in 15 subjects |
| Armored vehicles | 4 |
| Astronautics | 1 |
| Automated equipment | 2 |
| Aviation | 6 |
| Computers | 1 |
| Construction | 4 |
| Electronics | 5 |
| Hydraulic engineering | 1 |
| Mechanic engineering | 2 |
| Oil and gas technology | 1 |
| Packaging | 1 |
| Plumbing | 1 |
| Radio | 4 |
| Technology | 2 |
| Trucks/Lorries | 12 |