Seaplane floats and car: what they have in common

1. Step 1. Seaplane floats — is part of — Seaplane. They keep the plane on the water and serve as skis for the takeoff run.
2. Step 2. Seaplane — has part — Internal combustion engine. A piston engine.
3. Step 3. Internal combustion engine — is part of — Car. A classic car is driven by a combustion engine.

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