Assertion: solar cell | /r/ObjectUse | used in calculator
Facets:
Source sentences:
text: Solar cells, whether used in a central power station, a satellite, or a calculator, have the same basic structure.
text: Solar cells were soon being used to power space satellites and smaller items such as calculators and watches.
text: Solar cells are also used in products such as calculators and watches.
text: The solar cells are used in the calculators and other small devices, the telecommunications, the rooftop panels on individual houses, and they are used for lighting, they are used in medical refrigeration for the villages in the developing countries, the solar cells in the form of large arrays are used to power the satellites and they are used to provide the electricity for the power plants.