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placa : 469 phrases in 48 subjects |
| Anatomy | 2 |
| Antennas and waveguides | 8 |
| Automated equipment | 6 |
| Automobiles | 2 |
| Aviation | 38 |
| Biology | 1 |
| Building materials | 2 |
| Business | 1 |
| Chemistry | 5 |
| Computers | 3 |
| Construction | 5 |
| Cooking | 1 |
| Cytology | 1 |
| Electric machinery | 2 |
| Electrical engineering | 4 |
| Electronics | 78 |
| Energy industry | 2 |
| Environment | 2 |
| Fish farming pisciculture | 1 |
| Footwear | 1 |
| Forestry | 2 |
| Gambling | 1 |
| Gas processing plants | 1 |
| General | 25 |
| Geology | 4 |
| Heat transfer | 1 |
| Household appliances | 2 |
| Industry | 1 |
| Informal | 1 |
| Information technology | 4 |
| Latin | 1 |
| Leather | 2 |
| Medical | 18 |
| Metallurgy | 7 |
| Metrology | 2 |
| Microsoft | 3 |
| Military | 2 |
| Mining | 1 |
| Oil / petroleum | 18 |
| Packaging | 3 |
| Polygraphy | 4 |
| Rail transport | 5 |
| Technology | 187 |
| Tectonics | 4 |
| Textile industry | 1 |
| Thermal engineering | 1 |
| United Nations | 2 |
| Zoology | 1 |