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controls : 4556 phrases in 85 subjects |
| Accounting | 13 |
| Agriculture | 145 |
| Astronautics | 25 |
| Automatic control | 62 |
| Banking | 1 |
| Business | 2 |
| Chemistry | 47 |
| Commerce | 15 |
| Communications | 440 |
| Construction | 12 |
| Criminal law | 4 |
| Cultural studies | 8 |
| Customs | 4 |
| Demography | 4 |
| Earth sciences | 103 |
| Ecology | 2 |
| Economics | 52 |
| Education | 3 |
| Electric motors | 1 |
| Electric traction | 22 |
| Electrical engineering | 8 |
| Electricity generation | 13 |
| Electronics | 357 |
| Energy industry | 7 |
| Environment | 162 |
| Finances | 82 |
| Fish farming pisciculture | 6 |
| Food industry | 8 |
| Forestry | 2 |
| General | 290 |
| Health care | 88 |
| Hobbies and pastimes | 2 |
| Human rights activism | 3 |
| Immigration and citizenship | 28 |
| Industry | 46 |
| Information technology | 513 |
| Insurance | 4 |
| International Monetary Fund | 17 |
| Labor law | 8 |
| Law | 84 |
| Life sciences | 83 |
| Magnetics | 10 |
| Marketing | 16 |
| Materials science | 26 |
| Mathematics | 45 |
| Mechanic engineering | 469 |
| Medical | 96 |
| Metallurgy | 27 |
| Microsoft | 307 |
| Mineral products | 1 |
| Municipal planning | 2 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 37 |
| Nuclear and fusion power | 3 |
| Nuclear physics | 26 |
| Obsolete / dated | 4 |
| Patents | 28 |
| Pharmacy and pharmacology | 16 |
| Physical sciences | 4 |
| Politics | 14 |
| Power electronics | 16 |
| Power lines | 5 |
| Power system protection | 11 |
| Radio | 19 |
| Rail transport | 15 |
| Research and development | 1 |
| Satellite communications | 1 |
| Semiconductors | 5 |
| Social science | 6 |
| Statistics | 31 |
| Superconductivity | 1 |
| Taxes | 6 |
| Technology | 50 |
| Telecommunications | 9 |
| Telegraphy | 10 |
| Textile industry | 1 |
| Thermal Energy | 2 |
| Transformers | 2 |
| Transport | 432 |
| United Nations | 4 |
| Vacuum tubes | 4 |
| Video recording | 5 |
| Waste management | 3 |
| Welding | 1 |
| Work flow | 8 |