Chimenea y barril: qué tienen en común

1. Paso 1. Chimenea — está hecho de — Ladrillo. Chimneys are brick.
2. Paso 2. Ladrillo — es material para — Arco. Arches were built of brick or stone.
3. Paso 3. Arco — funciona como — Barril. Staves squeezed by hoops hold their shape by the same compression as the stones of an arch.

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