Vacuum pump oil e solar panel: o que têm em comum

1. Passo 1. Vacuum pump oil — faz parte de — Vacuum pump. It seals the gaps.
2. Passo 2. Vacuum pump — tem como parte — Stator. A cylindrical chamber.
3. Passo 3. Stator — faz parte de — Electric generator. The stationary part with the windings.
4. Passo 4. Electric generator — inclui — Solar panel. A solar panel also generates electricity — from light rather than rotation.

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