Refrigerant and smart meter: what they have in common

1. Step 1. Refrigerant — is material for — Air conditioner. Inside is a refrigerant.
2. Step 2. Air conditioner — is part of — Data centre. Cooling.
3. Step 3. Data centre — uses — Electrical grid. Power.
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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