 |
| X-ray pattern: 52 phrases in 17 subjects |
| Analytical chemistry | 4 |
| Chemistry | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Geology | 1 |
| Leather | 6 |
| Makarov | 14 |
| Medical | 2 |
| Medical appliances | 1 |
| Metallurgy | 6 |
| Mineralogy | 1 |
| Physics | 1 |
| Radiography | 1 |
| Spectroscopy | 3 |
| Technology | 5 |
| Textile industry | 3 |