Interchange and industrial robot: what they have in common

1. Step 1. Interchange — is made of — Concrete. The flyovers are concrete.
2. Step 2. Concrete — is material for — Data centre. The building is concrete.
3. Step 3. Data centre — has part — Server. Thousands of servers.
4. Step 4. Server — has part — Microprocessor. Processors.
5. Step 5. Microprocessor — is part of — Industrial robot. A microprocessor-based controller is in charge.

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