Not yours

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Across
  1. 2. Lasting for a long time
  2. 3. key elements
  3. 4. Firm or solid solidly build
  4. 6. to set up
  5. 9. A person or group that goes goes to explore
  6. 10. shock
  7. 11. to find out by Adding
  8. 12. you melt or Cause to melt
Down
  1. 1. worn out or faded
  2. 4. wild rush of animals
  3. 5. send away
  4. 7. A surprise attack
  5. 8. dragging