Clay core and electric fan: what they have in common

1. Step 1. Clay core — is part of — Levee. A clay layer that keeps water out.
2. Step 2. Levee — is made of — Clay. Levees were built up of earth and clay.
3. Step 3. Clay — is material for — Oven. Baking ovens were shaped from clay.
4. Step 4. Oven — works like — Air fryer. An air fryer is a small oven where a fan drives the hot air.
5. Step 5. Air fryer — has part — Electric fan. A fan.

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