Water turbine and micrometer: what they have in common

1. Step 1. Water turbine — is part of — Hydroelectric power station. Water turbines.
2. Step 2. Hydroelectric power station — uses — Universal gravitation. The energy of falling water.
3. Step 3. Universal gravitation — is used in — Anchor. Weight and grip on the seabed.
4. Step 4. Anchor — has part — Shackle. The chain mount.
5. Step 5. Shackle — is part of — Micrometer. A rigid frame.

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