 |
| прибор для определения твёрдости: 54 phrases in 18 subjects |
| Agriculture | 1 |
| Automated equipment | 1 |
| Automobiles | 1 |
| Drilling | 2 |
| Electrical engineering | 1 |
| Electrochemistry | 2 |
| General | 1 |
| Makarov | 6 |
| Mechanic engineering | 3 |
| Metallurgy | 6 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Pipelines | 2 |
| Polygraphy | 1 |
| Polymers | 10 |
| Quality control and standards | 7 |
| Technology | 6 |