Ancient Weaponry

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Across
  1. 4. Metal produced after heating, quenching and reheating
  2. 6. The sword evolved from this weapon
  3. 8. Iron residue produced from high temperatures
  4. 11. Long shafted weapon, tipped with pointed metal
  5. 12. Metal first used around 3000 B.C
Down
  1. 1. Type of sword used by the Celts in the Iron Age - 8000 B.C (think generic names)
  2. 2. Most significant weapon during history
  3. 3. Allowed melting at low temperatures
  4. 5. Spear formation used by Romans
  5. 7. Type of sword most common in the Bronze Age
  6. 8. Process of extracting a metal from its ore via heat
  7. 9. Made the sword and spear obsolete with its invention
  8. 10. Process of shaping metal with heat and force
  9. 11. Iron-carbon alloy used for weapons in the later eras