Motorcycle and dewar flask: what they have in common

1. Step 1. Motorcycle — has part — Roller chain. Many motorcycles drive the rear wheel with a roller chain.
2. Step 2. Roller chain — is part of — Combine harvester. Chain drives power the working parts.
3. Step 3. Combine harvester — has part — Diesel engine. Self-propelled combines run on diesels.
4. Step 4. Diesel engine — is part of — Tanker. A diesel.
5. Step 5. Tanker — includes — LNG carrier. A tanker.
6. Step 6. LNG carrier — has part — Dewar flask. Insulated tanks.

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