Word work

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Across
  1. 2. the equal of
  2. 4. the number above the line in a common fraction
  3. 8. to compress
  4. 9. is a person who freely decides to take on a task
  5. 10. is the reliability of a structure
  6. 11. being physically strong
  7. 12. the number below the line in a common factor
Down
  1. 1. those that occur without humans
  2. 3. every person
  3. 5. is the quality of being trustworthy
  4. 6. is the state of being remorseful
  5. 7. most simple