Board game and lathe: what they have in common

  1. Step 1. Board game — uses — Dice. Dice.
  2. Step 2. Dice — is made of — Bone. Ancient dice were carved from animal bones.
  3. Step 3. Bone — is material for — Harpoon. The oldest harpoons (Katanda, ~90,000 years ago) are carved from bone.
  4. Step 4. Harpoon — has part — Rope. A line connects the head to the hunter.
  5. Step 5. Rope — is part of — Lathe. The bowstring wraps around the workpiece and turns it.

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