Vinyl record and shipping container: what they have in common

1. Step 1. Vinyl record — evolved from — Gramophone. A long-playing record.
2. Step 2. Gramophone — has part — Mainspring. A spring drive.
3. Step 3. Mainspring — is a kind of — Spring. A mainspring is a spiral spring.
4. Step 4. Spring — includes — Leaf spring. A spring.
5. Step 5. Leaf spring — is part of — Truck. Leaf-spring suspension.
6. Step 6. Truck — uses — Shipping container. A container moves from ship to truck without being unloaded.

Open Evothings