Reflecting telescope and hammer: what they have in common

1. Step 1. Reflecting telescope — has part — Mirror. The primary mirror.
2. Step 2. Mirror — is part of — Solar concentrator. Mirrors concentrate the light.
3. Step 3. Solar concentrator — has part — Steam turbine. Heated steam turns a turbine.
4. Step 4. Steam turbine — has part — Boiler. Steam from the boiler.
5. Step 5. Boiler — is part of — Steam hammer. A boiler supplies the steam.
6. Step 6. Steam hammer — evolved from — Hammer. A steam hammer is a hammer lifted by steam, used to forge huge parts.

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