Vinyl record e shipping container: o que têm em comum

1. Passo 1. Vinyl record — evoluiu de — Gramophone. A long-playing record.
2. Passo 2. Gramophone — tem como parte — Mainspring. A spring drive.
3. Passo 3. Mainspring — é um tipo de — Spring. A mainspring is a spiral spring.
4. Passo 4. Spring — inclui — Leaf spring. A spring.
5. Passo 5. Leaf spring — faz parte de — Truck. Leaf-spring suspension.
6. Passo 6. Truck — utiliza — Shipping container. A container moves from ship to truck without being unloaded.

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