 |
| vacíos: 839 phrases in 73 subjects |
| Agriculture | 58 |
| Antennas and waveguides | 8 |
| Automated equipment | 1 |
| Automobiles | 36 |
| Aviation | 1 |
| Chemistry | 59 |
| Communications | 2 |
| Computer numerical control | 2 |
| Computers | 2 |
| Construction | 2 |
| Corporate governance | 1 |
| Earth sciences | 39 |
| Economy | 2 |
| Education | 1 |
| Electric machinery | 1 |
| Electric motors | 2 |
| Electric traction | 3 |
| Electronics | 67 |
| Energy industry | 1 |
| Environment | 6 |
| Fish farming pisciculture | 19 |
| Food industry | 5 |
| Food service and catering | 1 |
| Forestry | 3 |
| General | 32 |
| Health care | 6 |
| Horticulture | 5 |
| Industry | 34 |
| Information technology | 13 |
| International Monetary Fund | 1 |
| Isolation | 1 |
| Laboratory equipment | 10 |
| Law | 4 |
| Life sciences | 9 |
| Magnetics | 3 |
| Materials science | 32 |
| Mathematics | 2 |
| Measuring instruments | 8 |
| Mechanic engineering | 43 |
| Medical | 18 |
| Metallurgy | 35 |
| Meteorology | 1 |
| Microelectronics | 1 |
| Microsoft | 1 |
| Mineral products | 1 |
| Municipal planning | 3 |
| Natural sciences | 9 |
| Nuclear and fusion power | 2 |
| Oil / petroleum | 4 |
| Packaging | 34 |
| Physical sciences | 6 |
| Physics | 4 |
| Piezoelectric crystals | 2 |
| Politics | 2 |
| Power electronics | 1 |
| Pulp and paper industry | 1 |
| Radio | 7 |
| Radiology | 1 |
| Scientific | 1 |
| Semiconductors | 1 |
| Shipbuilding | 1 |
| Soil science | 4 |
| Statistics | 6 |
| Sugar production | 1 |
| Superconductivity | 2 |
| Technology | 67 |
| Textile industry | 6 |
| Thermal Energy | 4 |
| Thermal engineering | 1 |
| Transport | 81 |
| United Nations | 1 |
| Vacuum tubes | 2 |
| Welding | 3 |