NOUNS

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Across
  1. 3. an electrical device that you use to do mathematical calculations
  2. 6. a period of a hundred years
  3. 11. a person whose job is to design or build machines or buildings
  4. 12. a set of connected artificial rivers
  5. 13. a person who creates sth which has never been made before
  6. 14. a person who studies rocks and soil
  7. 15. mass production of a type of goods
Down
  1. 1. a piece of equipment with moving parts
  2. 2. a picture that shows where countries or roads are
  3. 4. the period of sbs life
  4. 5. a substance from which sth can be made
  5. 7. the body of a living thing
  6. 8. the body of a person
  7. 9. a piece of polished glass which you use to look at yourself
  8. 10. a structure that is build over a river, railway or road so that people or vehicles can cross