Tidal power station and computer: what they have in common

1. Step 1. Tidal power station — is a kind of — Power station. A power station.
2. Step 2. Power station — is part of — Electrical grid. Power stations feed the grid.
3. Step 3. Electrical grid — is used in — Data centre. Power.
4. Step 4. Data centre — has part — Server. Thousands of servers.
5. Step 5. Server — is a kind of — Computer. A computer.

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