Foundation and heat pump: what they have in common

1. Step 1. Foundation — is made of — Concrete. Concrete.
2. Step 2. Concrete — is material for — Data centre. The building is concrete.
3. Step 3. Data centre — has part — Air conditioner. Cooling.
4. Step 4. Air conditioner — uses — Heat pump. An air conditioner is a heat pump that carries heat out of the room.

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