SCADA and electric generator: what they have in common

1. Step 1. SCADA — uses — Programmable logic controller. Polling the controllers.
2. Step 2. Programmable logic controller — is part of — Chemical plant. Process control automation.
3. Step 3. Chemical plant — has part — Pipeline. Pipelines between the vessels.
4. Step 4. Pipeline — is used in — Natural gas. Gas is transported through pipes.
5. Step 5. Natural gas — is used in — Thermal power station. Gas.
6. Step 6. Thermal power station — has part — Electric generator. Generators.

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