Liquefied natural gas and zip: what they have in common

1. Step 1. Liquefied natural gas — is used in — LNG carrier. It carries LNG.
2. Step 2. LNG carrier — has part — Dewar flask. Insulated tanks.
3. Step 3. Dewar flask — evolved into — Vacuum flask. A household Dewar flask.
4. Step 4. Vacuum flask — uses — Thermal insulation. Insulation.
5. Step 5. Thermal insulation — is used in — Wetsuit. Insulation.
6. Step 6. Wetsuit — has part — Zip. A zip on the back.

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