Turbine and dewar flask: what they have in common

1. Step 1. Turbine — includes — Steam turbine. A kind of turbine.
2. Step 2. Steam turbine — is part of — Solar concentrator. Heated steam turns a turbine.
3. Step 3. Solar concentrator — has part — Mirror. Mirrors concentrate the light.
4. Step 4. Mirror — is part of — Vacuum flask. The silvering reflects heat radiation.
5. Step 5. Vacuum flask — evolved from — Dewar flask. A household Dewar flask.

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