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| English | Slovak |
| button-cell battery A tiny, circular battery made for a watch or for other microelectric applications | batéria (do hodiniek) |
| Fuel Cells and Hydrogen Joint Technology Initiative | spoločná technologická iniciatíva pre palivové články a vodík |
| Fuel Cells and Hydrogen Joint Undertaking | spoločný podnik pre palivové články a vodík |
| Joint Technology Initiative on Fuel Cells and Hydrogen | spoločná technologická iniciatíva pre palivové články a vodík |
| JTI on Fuel Cells and Hydrogen | spoločná technologická iniciatíva pre palivové články a vodík |
| solar cell A device for converting sunlight into electrical power using a semiconductor sensitive to the photovoltaic effect. Solar cells are used on space satellites to power electronic equipment, and as their price falls they may come to be used to provide energy on the Earth | slnečný článok |