Vehicle and autoclave: what they have in common

1. Step 1. Vehicle — includes — Watercraft. Ships are a kind of transport.
2. Step 2. Watercraft — includes — Destroyer. A ship.
3. Step 3. Destroyer — has part — Steam turbine. Turbines.
4. Step 4. Steam turbine — has part — Boiler. Steam from the boiler.
5. Step 5. Boiler — is part of — Autoclave. A steam generator.

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