Guess the Words~~~~

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Across
  1. 4. Study of soil in engineering
  2. 7. Things like bridges and buildings
  3. 8. Reuse of waste materials
  4. 9. Movement of people and goods
  5. 10. Growth of a nation through infrastructure
Down
  1. 1. Essential natural resource for life
  2. 2. Engineering field that builds infrastructure
  3. 3. Disposal site for solid waste
  4. 5. Unwanted sound that disturbs humans
  5. 6. Treatment of dirty water before release