World War I Weapon

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Across
  1. 2. gas caused skin to blister and peel
  2. 4. most deadly of the atomic bomb
  3. 9. started dog fights
  4. 10. a knife put on to the front of gun
  5. 11. drop by air plane to caused big explosion
  6. 12. used to fight ocean warfare
Down
  1. 1. smaller but more powerful
  2. 3. would caused small explosion when pin would pull
  3. 5. most commonly use weapon
  4. 6. used to fire bomb long distance
  5. 7. would cut enemy soldier who would enter trenches
  6. 8. Machine used to cross over no man land