 |
| power flow: 47 phrases in 13 subjects |
| Automobiles | 4 |
| Business | 2 |
| Earth sciences | 3 |
| Ecology | 1 |
| Electric machinery | 2 |
| Electronics | 20 |
| Hydroelectric power stations | 2 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Piezoelectric crystals | 2 |
| Refrigeration | 1 |
| Technology | 4 |
| Wind Energy | 2 |