Forms of Technology

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Across
  1. 2. The use of knowledge to invent new devices or tools
  2. 4. Tells time in the days of our forefathers
  3. 7. For transportation in olden days
  4. 8. A developed transportion system
  5. 9. Accommodation in the olden days
Down
  1. 1. Tallest building
  2. 3. Mode of communication in olden days
  3. 5. For construction
  4. 6. used in the olden days to do work
  5. 10. Mode of transportation in the sea