Anemometer and steam locomotive: what they have in common

1. Step 1. Anemometer — uses — Wind power. It is turned by the wind.
2. Step 2. Wind power — is used in — Wind turbine. Wind energy.
3. Step 3. Wind turbine — has part — Electric generator. A generator.
4. Step 4. Electric generator — is part of — Diesel locomotive. The generator powers the traction motors.
5. Step 5. Diesel locomotive — evolved from — Steam locomotive. It replaced the steam locomotive.

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