Fabricação de cerveja e rede elétrica: o que têm em comum

1. Passo 1. Fabricação de cerveja — utiliza — Barril. Beer and wine were stored and transported in barrels.
2. Passo 2. Barril — funciona como — Arco. Staves squeezed by hoops hold their shape by the same compression as the stones of an arch.
3. Passo 3. Arco — é feito de — Tijolo. Arches were built of brick or stone.
4. Passo 4. Tijolo — é material para — Power station. The buildings of the first power stations were brick.
5. Passo 5. Power station — faz parte de — Rede elétrica. Power stations feed the grid.

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