Inventions

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Across
  1. 3. that works in a competent and organized way
  2. 6. to calculate the value or quantity of something
  3. 8. designed to make good use of energy
  4. 10. fix something that is damaged
  5. 11. construct or change something to improve it
  6. 12. designed to use less money
Down
  1. 1. to reduce the amount of time needed for a task
  2. 2. to find something
  3. 4. make something better
  4. 5. to investigate something systematically
  5. 7. easy to use or understand
  6. 9. become aware or understand clearly