Vocabulary_ Drinking Water

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Across
  1. 2. a time of great difficulty
  2. 4. not deep
  3. 6. a thing that blocks one's way or prevents progress
  4. 7. of great importance
  5. 8. the voluntary giving of help
  6. 10. skill or knowledge in a particular field
  7. 12. hindrance
  8. 14. relating to money
Down
  1. 1. able to be reached easily
  2. 3. take part
  3. 5. possible to do easily
  4. 9. bring
  5. 11. in small amounts
  6. 13. conditions relating to public health and adequate sewage disposal