engineers puzzle

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Across
  1. 4. type of orange
  2. 7. slow down
  3. 9. city work truck
  4. 10. zoo study
  5. 13. amzon
Down
  1. 1. photo of bone
  2. 2. navigation on ship
  3. 3. invention
  4. 5. sun light panel
  5. 6. energy in motion
  6. 8. tubine
  7. 11. place whare you work
  8. 12. quality, head of quality testing