Stone-faced embankment slopes and data centre: what they have in common

1. Step 1. Stone-faced embankment slopes — is part of — Levee. Slopes reinforced with stone or turf.
2. Step 2. Levee — evolved into — Dam. A retaining structure.
3. Step 3. Dam — is part of — Hydroelectric power station. The dam creates the head of water.
4. Step 4. Hydroelectric power station — is a kind of — Power station. A kind of power station.
5. Step 5. Power station — is part of — Electrical grid. Power stations feed the grid.
6. Step 6. Electrical grid — is used in — Data centre. Power.

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