Oven and aeroplane: what they have in common

1. Step 1. Oven — works like — Air fryer. An air fryer is a small oven where a fan drives the hot air.
2. Step 2. Air fryer — has part — Electric fan. A fan.
3. Step 3. Electric fan — has part — Propeller. The blades.
4. Step 4. Propeller — is part of — Aeroplane. Propeller aircraft.

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