Galleon and nuclear reactor: what they have in common

1. Step 1. Galleon — has part — Cannon. Cannons on the decks.
2. Step 2. Cannon — is part of — Ironclad. Artillery.
3. Step 3. Ironclad — evolved into — Aircraft carrier. The first aircraft carriers were converted from battleships and cruisers.
4. Step 4. Aircraft carrier — has part — Steam turbine. Turbines (powered by a reactor on nuclear carriers).
5. Step 5. Steam turbine — is part of — Nuclear power plant. Steam turns the turbines — as at a thermal station.
6. Step 6. Nuclear power plant — has part — Nuclear reactor. The reactor heats the coolant.

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