 |
|
grain structure : 32 phrases in 18 subjects |
| Agriculture | 2 |
| Agrochemistry | 1 |
| Aluminium industry | 1 |
| Automobiles | 1 |
| Cement | 4 |
| Construction | 2 |
| Electronics | 1 |
| Geology | 1 |
| Makarov | 1 |
| Materials science | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 2 |
| Polymers | 1 |
| Road works | 2 |
| Seismology | 1 |
| Semiconductors | 1 |
| Technology | 6 |
| Welding | 2 |