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charges : 2545 phrases in 88 subjects |
| Accounting | 12 |
| Accumulators | 15 |
| Agriculture | 45 |
| Animal husbandry | 2 |
| Antennas and waveguides | 9 |
| Astronautics | 4 |
| Cables and cable production | 2 |
| Chemistry | 34 |
| Coal | 31 |
| Commerce | 14 |
| Communications | 67 |
| Construction | 19 |
| Criminal law | 3 |
| Demography | 2 |
| Earth sciences | 160 |
| Economics | 50 |
| Education | 7 |
| Electric machinery | 4 |
| Electric motors | 15 |
| Electric traction | 13 |
| Electrical engineering | 1 |
| Electricity generation | 13 |
| Electronics | 248 |
| Employment | 1 |
| Energy industry | 20 |
| Environment | 74 |
| Finances | 92 |
| Fish farming pisciculture | 3 |
| Food industry | 8 |
| Forestry | 4 |
| General | 233 |
| Government, administration and public services | 10 |
| Health care | 31 |
| Hobbies and pastimes | 6 |
| Human rights activism | 4 |
| Immigration and citizenship | 9 |
| Industry | 47 |
| Information technology | 80 |
| Insurance | 13 |
| International law | 1 |
| International Monetary Fund | 57 |
| Isolation | 3 |
| Labor law | 17 |
| Law | 79 |
| Life sciences | 34 |
| Magnetics | 8 |
| Marketing | 19 |
| Materials science | 26 |
| Mechanic engineering | 170 |
| Medical | 34 |
| Metallurgy | 36 |
| Microsoft | 79 |
| Mineral products | 1 |
| Municipal planning | 6 |
| Natural sciences | 17 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 9 |
| Obsolete / dated | 2 |
| Oil / petroleum | 2 |
| Patents | 1 |
| Pharmacy and pharmacology | 2 |
| Physical sciences | 2 |
| Physics | 7 |
| Piezoelectric crystals | 8 |
| Politics | 30 |
| Power lines | 11 |
| Power system protection | 1 |
| Procedural law | 2 |
| Radiobiology | 1 |
| Radiology | 5 |
| Reliability | 9 |
| Scientific | 2 |
| Security systems | 6 |
| Semiconductors | 3 |
| Social science | 20 |
| Sociology | 4 |
| Statistics | 24 |
| Taxes | 22 |
| Technology | 44 |
| Telecommunications | 5 |
| Thermal Energy | 6 |
| Trade unions | 2 |
| Transformers | 7 |
| Transport | 284 |
| United Nations | 23 |
| Vacuum tubes | 4 |
| Welding | 3 |
| Work flow | 1 |