Vinyl record and turbine: what they have in common

  1. Step 1. Vinyl record — is made of — Polyvinyl chloride (PVC). Vinyl is PVC.
  2. Step 2. Polyvinyl chloride (PVC) — is material for — Payment card. The card is PVC.
  3. Step 3. Payment card — is used in — ATM. It dispenses money for a card.
  4. Step 4. ATM — is a kind of — Vending machine. A dispensing machine.
  5. Step 5. Vending machine — was inspired by — Heron’s aeolipile. Heron described both a holy-water dispenser and the aeolipile; the dispenser is the prototype of the vending machine.
  6. Step 6. Heron’s aeolipile — evolved into — Turbine. The aeolipile is the oldest ancestor of the steam turbine.

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