 |
| recyclage: 161 phrases in 37 subjects |
| Astronautics | 3 |
| Aviation | 2 |
| Business | 1 |
| Chemistry | 27 |
| Computers | 4 |
| Construction | 1 |
| Corporate governance | 1 |
| Economy | 1 |
| Education | 1 |
| Electrical engineering | 1 |
| Environment | 7 |
| Finances | 4 |
| Food industry | 11 |
| Forestry | 1 |
| General | 8 |
| High energy physics | 2 |
| Hydraulic engineering | 2 |
| Labor organization | 1 |
| Law | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Mining | 3 |
| Natural resourses and wildlife conservation | 21 |
| Nautical | 2 |
| Nuclear physics | 3 |
| Oil and gas technology | 12 |
| Politics | 1 |
| Programming | 2 |
| Radio | 1 |
| Road works | 1 |
| Soil science | 2 |
| Technology | 21 |
| Trucks/Lorries | 1 |
| United Nations | 5 |
| Ventilation | 1 |
| Waste management | 3 |