Electrochemical reaction and CNC machine: what they have in common

1. Step 1. Electrochemical reaction — is used in — Glucose meter. An electrochemical sensor.
2. Step 2. Glucose meter — evolved into — Continuous glucose monitoring. Continuous measurement.
3. Step 3. Continuous glucose monitoring — is used in — Insulin pump. A closed-loop system.
4. Step 4. Insulin pump — has part — Servomotor. A stepper motor moves the plunger.
5. Step 5. Servomotor — is part of — CNC machine. Servo drives move the axes.

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