Assertion: solar cell | /r/MadeOf | silicon boules
Facets:
Source sentences:
text: 3 Solar cells are made from silicon boules, polycrystalline structures that have the atomic structure of a single crystal.
text: 3 Solar cells are made from silicon boules, polycrystalline structures that have the atomic structure of a single crystal.
text: Solar cells are made from silicon boules.
text: Solar cells are made from silicon boules.