Silicon solar cell e kiln: o que têm em comum

1. Passo 1. Silicon solar cell — faz parte de — Solar panel. A silicon wafer with a p–n junction.
2. Passo 2. Solar panel — faz parte de — Solar power station. A field of panels.
3. Passo 3. Solar power station — é um tipo de — Power station. A power station.
4. Passo 4. Power station — é feito de — Tijolo. The buildings of the first power stations were brick.
5. Passo 5. Tijolo — utiliza — Kiln. Fired brick is stronger than mud brick.

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