 |
|
Fuel Cell : 62 phrases in 10 subjects |
| Energy industry | 37 |
| Environment | 4 |
| General | 3 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 1 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 1 |
| Research and development | 2 |
| Transport | 10 |