Surgical robot and refrigerator: what they have in common

1. Step 1. Surgical robot — evolved from — Industrial robot. Manipulators.
2. Step 2. Industrial robot — is used in — Industrial automation. Robots.
3. Step 3. Industrial automation — works like — Smart home. A smart home brings factory automation indoors: sensors switch lights and heating themselves.
4. Step 4. Smart home — has part — Thermostat. A smart thermostat.
5. Step 5. Thermostat — is part of — Refrigerator. A thermostat.

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