Kayak and CNC machine: what they have in common

  1. Step 1. Kayak — is made of — Leather. The frame was covered with skins.
  2. Step 2. Leather — is material for — Prosthetic limb. It was attached with leather straps.
  3. Step 3. Prosthetic limb — has part — Servomotor. Bionic prostheses have motors.
  4. Step 4. Servomotor — is part of — CNC machine. Servo drives move the axes.

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