 |
| chauffage: 801 phrase in 40 subjects |
| Agriculture | 16 |
| Antennas and waveguides | 17 |
| Astronomy | 5 |
| Automated equipment | 1 |
| Chemistry | 50 |
| Coal | 5 |
| Construction | 6 |
| Earth sciences | 31 |
| Economy | 2 |
| Electric traction | 6 |
| Electronics | 119 |
| Energy industry | 31 |
| Environment | 15 |
| European Union | 1 |
| Finances | 2 |
| Food industry | 1 |
| General | 43 |
| Health care | 1 |
| Hobbies and pastimes | 1 |
| Industry | 30 |
| Information technology | 6 |
| Labor law | 96 |
| Law | 20 |
| Life sciences | 9 |
| Lighting other than cinema | 2 |
| Magnetics | 1 |
| Marketing | 1 |
| Materials science | 42 |
| Mechanic engineering | 19 |
| Medical | 1 |
| Metallurgy | 55 |
| Municipal planning | 30 |
| Natural sciences | 16 |
| Packaging | 1 |
| Patents | 3 |
| Statistics | 5 |
| Technology | 15 |
| Textile industry | 11 |
| Thermal Energy | 55 |
| Transport | 30 |