Pile driver and dewar flask: what they have in common

1. Step 1. Pile driver — has part — Block and tackle. Lifting the weight.
2. Step 2. Block and tackle — is part of — Drilling rig. The block and tackle lifts the drill string.
3. Step 3. Drilling rig — has part — Diesel engine. The drive.
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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