 |
| battery charging: 98 phrases in 25 subjects |
| Armored vehicles | 3 |
| Astronautics | 2 |
| Automated equipment | 1 |
| Automobiles | 6 |
| Construction | 3 |
| Electrical engineering | 9 |
| Electrochemistry | 1 |
| Electronics | 2 |
| General | 5 |
| Geology | 1 |
| Makarov | 15 |
| Mass media | 1 |
| Metallurgy | 1 |
| Military | 3 |
| Mining | 4 |
| Mobile and cellular communications | 2 |
| Nanotechnology | 2 |
| Nautical | 5 |
| Production | 1 |
| Rail transport | 3 |
| Solar power | 1 |
| Technology | 21 |
| Telecommunications | 4 |
| Torpedoes | 1 |
| Transport | 1 |