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(ANCIENTS, ANCIENTS, Stone Tools) - Coggle Diagram

- - - - Hematite
    - - Ceramics
        
        Kiln
    - - Lead Smelting
      - Copper Smelting
        
        Copper-Tin Bronze
        
        Bronze
      - Tin extraction
      - Iron smelting
        
        Steel
    - - Pens (sharp pointed needle)
      - Zinc production
      - Crystallized Sugar
      - Chess
  - - - Silk
      - (C) Warfare
        
        Crossbow
      - Gears
      - Blast Furnace
      - Paper
      - Oil Wells, borehole drilling
      - Porcelain
      - Gunpowder
        
        Fireworks
    - - Glass
      - Reed Pens
  - - - Spears
      - Bow & arrows
  - - - Pig domestication
        
        Goat domestication
        
        Cattle domestication
    - - Chariot
  - - - Trade
      - Sea-going Ships
  - - - Flutes
        
        Bullroarer
  - - - Sundial
- - - - Lunar Calendar
    - - Sun Clocks
  - - - Gladitorial Combat
      - Hockey
- - - - Boats
        
        Pigments
        
        Spears
        
        Trade
        
        Projectile Weapons
        
        Clothing
        
        1 more item...