Wire drawing and smart meter: what they have in common

1. Step 1. Wire drawing — is used in — Copper wire. Drawing.
2. Step 2. Copper wire — is part of — Power line. Wires (often aluminium).
3. Step 3. Power line — is part of — Electrical grid. Power lines.
4. Step 4. Electrical grid — evolved into — Smart grid. A digital grid.
5. Step 5. Smart grid — has part — Smart meter. Meters.

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