Jet bridge and electric generator: what they have in common

1. Step 1. Jet bridge — has part — Hydraulic cylinder. Raising the bridge.
2. Step 2. Hydraulic cylinder — uses — Hydraulics (Pascal’s law). The liquid transmits pressure to the piston.
3. Step 3. Hydraulics (Pascal’s law) — is used in — Wave power station. Hydraulic converters.
4. Step 4. Wave power station — has part — Electric generator. A generator.

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