Card slots e hammer: o que têm em comum
- Passo 1. Card slots — faz parte de — Wallet. Card slots.
- Passo 2. Wallet — tem como parte — Zip. A zipped coin compartment.
- Passo 3. Zip — faz parte de — Trousers. A fastener.
- Passo 4. Trousers — utiliza — Needle. Trousers were sewn with a needle.
- Passo 5. Needle — evoluiu de — Stone tool. Bone needles with an eye are part of the Palaeolithic toolkit.
- Passo 6. Stone tool — evoluiu para — Hammer. The first hammer was a stone in the hand.