 |
| low battery: 49 phrases in 20 subjects |
| Armored vehicles | 2 |
| Automobiles | 3 |
| Business | 2 |
| Electrical engineering | 4 |
| Electronics | 3 |
| General | 2 |
| Information technology | 4 |
| Makarov | 1 |
| Microsoft | 2 |
| Military | 2 |
| Mobile and cellular communications | 1 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Programming | 2 |
| Refrigeration | 4 |
| Security systems | 3 |
| Solar power | 1 |
| Technology | 7 |
| Telecommunications | 2 |
| Transport | 2 |