 |
| pulsation: 126 phrases in 30 subjects |
| Astronautics | 8 |
| Astronomy | 6 |
| Automated equipment | 3 |
| Aviation | 4 |
| Chemistry | 9 |
| Computers | 1 |
| Construction | 1 |
| Electricity | 2 |
| Electronics | 7 |
| Geology | 5 |
| High energy physics | 1 |
| Hydraulic engineering | 2 |
| Mathematics | 3 |
| Medical | 3 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Meteorology | 2 |
| Microsoft | 3 |
| Military | 2 |
| Mining | 5 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 1 |
| Oil and gas technology | 6 |
| Physics | 12 |
| Power electronics | 1 |
| Radio | 5 |
| Seismology | 2 |
| Technology | 18 |
| Trucks/Lorries | 3 |
| Welding | 6 |