 |
| placa: 1545 phrases in 79 subjects |
| Accumulators | 5 |
| Acridology | 1 |
| Agriculture | 36 |
| Animal husbandry | 1 |
| Antennas and waveguides | 9 |
| Artillery | 1 |
| Biochemistry | 2 |
| Biotechnology | 2 |
| Botany | 2 |
| Chemistry | 101 |
| Coal | 10 |
| Communications | 52 |
| Computers | 3 |
| Construction | 40 |
| Cultural studies | 8 |
| Data processing | 1 |
| Drilling | 2 |
| Earth sciences | 48 |
| Economy | 4 |
| Electric machinery | 1 |
| Electric motors | 2 |
| Electricity | 1 |
| Electronics | 126 |
| Embryology | 2 |
| Energy industry | 4 |
| Environment | 8 |
| Finances | 2 |
| Fish farming pisciculture | 1 |
| Food industry | 3 |
| Footwear | 1 |
| Forestry | 3 |
| General | 53 |
| Genetics | 4 |
| Health care | 15 |
| Helicopters | 2 |
| Industry | 111 |
| Information technology | 93 |
| Laboratory equipment | 10 |
| Law | 4 |
| Life sciences | 38 |
| Lighting other than cinema | 1 |
| Loading equipment | 1 |
| Marketing | 3 |
| Materials science | 9 |
| Mathematics | 1 |
| Measuring instruments | 9 |
| Mechanic engineering | 173 |
| Medical | 119 |
| Metallurgy | 38 |
| Meteorology | 8 |
| Mexican | 1 |
| Microscopy | 1 |
| Microsoft | 3 |
| Military | 1 |
| Municipal planning | 3 |
| Natural sciences | 13 |
| Navy | 1 |
| Nuclear physics | 2 |
| Packaging | 1 |
| Patents | 4 |
| Pharmacy and pharmacology | 4 |
| Physical sciences | 1 |
| Piezoelectric crystals | 5 |
| Power lines | 2 |
| Radio | 3 |
| Rail transport | 4 |
| Remote sensing | 2 |
| Scientific | 1 |
| Soil science | 1 |
| Statistics | 1 |
| Technology | 169 |
| Textile industry | 9 |
| Thermal Energy | 3 |
| Transport | 126 |
| United Nations | 3 |
| Vacuum tubes | 2 |
| Veterinary medicine | 1 |
| Weapons and gunsmithing | 2 |
| Wood processing | 2 |