Game console and plumbing: what they have in common

1. Step 1. Game console — has part — Microprocessor. A processor.
2. Step 2. Microprocessor — is part of — Programmable logic controller. A processor.
3. Step 3. Programmable logic controller — is part of — Chemical plant. Process control automation.
4. Step 4. Chemical plant — is made of — Brick. The furnaces and towers are brick.
5. Step 5. Brick — is material for — Water tower. Water towers are brick.
6. Step 6. Water tower — is part of — Plumbing. Maintaining pressure.

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