Bicycle brake and CNC machine: what they have in common

1. Step 1. Bicycle brake — has part — Brake pad. Pads.
2. Step 2. Brake pad — is part of — Brake caliper. Pads.
3. Step 3. Brake caliper — has part — Piston. Pistons.
4. Step 4. Piston — is part of — Insulin pump. The reservoir’s plunger.
5. Step 5. Insulin pump — has part — Servomotor. A stepper motor moves the plunger.
6. Step 6. Servomotor — is part of — CNC machine. Servo drives move the axes.

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