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ventilation : 553 phrases in 47 subjects |
| Agriculture | 40 |
| Automated equipment | 2 |
| Aviation | 1 |
| Building structures | 2 |
| Chemistry | 8 |
| Coal | 10 |
| Communications | 1 |
| Computers | 2 |
| Construction | 87 |
| Customs | 1 |
| Earth sciences | 12 |
| Economics | 10 |
| Electric motors | 2 |
| Electric traction | 3 |
| Electronics | 14 |
| Energy industry | 10 |
| Engineering | 4 |
| Environment | 1 |
| Finances | 6 |
| Fish farming pisciculture | 2 |
| General | 18 |
| Government, administration and public services | 2 |
| Health care | 3 |
| Industry | 13 |
| Information technology | 1 |
| International Monetary Fund | 5 |
| Labor law | 51 |
| Law | 3 |
| Life sciences | 1 |
| Marketing | 2 |
| Materials science | 2 |
| Mechanic engineering | 35 |
| Medical | 37 |
| Medical appliances | 2 |
| Metallurgy | 16 |
| Microsoft | 5 |
| Municipal planning | 43 |
| Natural resourses and wildlife conservation | 8 |
| Natural sciences | 4 |
| Nuclear physics | 5 |
| Packaging | 1 |
| Patents | 3 |
| Social science | 3 |
| Statistics | 10 |
| Technology | 4 |
| Transport | 57 |
| Ventilation | 1 |