Crossword

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Across
  1. 3. Things used to go up and down in skyscrapers
  2. 4. Provides light
  3. 9. able to communicate long distance
  4. 10. processing place for Japanese
  5. 11. Houses that have poor living conditions
  6. 12. used to move products fast
  7. 13. A Way to write letters
  8. 15. a tall building
  9. 18. Major source of food
  10. 19. When you clean you are
  11. 20. what Pushes you away
Down
  1. 1. What railroads are made of
  2. 2. Refined steel fast
  3. 5. development of houses and factory's on a mass scale
  4. 6. What Pulls you towards
  5. 7. Banned Chinese from migrating
  6. 8. People that enter the country
  7. 14. Processing place for Europeans
  8. 16. A Policy that protects immigrants
  9. 17. Places to work