Gutta-percha and smart meter: what they have in common

1. Step 1. Gutta-percha — is part of — Transatlantic cable. Insulation.
2. Step 2. Transatlantic cable — has part — Copper wire. A copper core.
3. Step 3. Copper wire — is part of — Power line. Wires (often aluminium).
4. Step 4. Power line — is part of — Electrical grid. Power lines.
5. Step 5. Electrical grid — evolved into — Smart grid. A digital grid.
6. Step 6. Smart grid — has part — Smart meter. Meters.

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