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impermeable : 250 phrases in 34 subjects |
| Agriculture | 9 |
| Armored vehicles | 2 |
| Astronautics | 3 |
| Automated equipment | 1 |
| Aviation | 1 |
| Biology | 1 |
| Chemistry | 15 |
| Construction | 26 |
| Cycle sport | 1 |
| Dentistry | 2 |
| Electronics | 2 |
| Food industry | 7 |
| Forestry | 10 |
| General | 2 |
| Geology | 14 |
| Geophysics | 1 |
| Hydraulic engineering | 38 |
| Mechanic engineering | 1 |
| Medical appliances | 5 |
| Metallurgy | 1 |
| Military | 5 |
| Mining | 6 |
| Natural resourses and wildlife conservation | 2 |
| Oil and gas technology | 10 |
| Packaging | 19 |
| Perfume | 2 |
| Polygraphy | 1 |
| Radio | 3 |
| Shipbuilding | 5 |
| Technology | 42 |
| Textile industry | 3 |
| Travel | 4 |
| Trucks/Lorries | 5 |
| World war II | 1 |