Doll and electric generator: what they have in common

1. Step 1. Doll — is made of — Clay. And shaped from clay.
2. Step 2. Clay — is material for — Dam. The core of the dam is clay and earth.
3. Step 3. Dam — is part of — Hydroelectric power station. The dam creates the head of water.
4. Step 4. Hydroelectric power station — has part — Electric generator. Generators.

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