 |
| cleaning brush: 31 phrases in 15 subjects |
| Artillery | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 4 |
| Makarov | 4 |
| Medical | 1 |
| Medical appliances | 2 |
| Occupational health & safety | 1 |
| Polygraphy | 1 |
| Technology | 3 |
| Tools | 1 |
| Transport | 4 |
| Weapons and gunsmithing | 4 |
| Wood processing | 1 |