Boy's Best Friend

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Across
  1. 2. more like drag
  2. 4. 'jump in!'
  3. 7. not the plants!
  4. 8. everywhere
  5. 10. odour ensues
  6. 12. not like the tree, but sometimes up it
  7. 13. comes after chew
  8. 14. shouldn't pull either
  9. 16. bulk bag
  10. 17. 'international' breed
  11. 18. boy's best friend
Down
  1. 1. don't pull
  2. 3. treasure hunter
  3. 5. often leads to poo
  4. 6. scientific sketch?
  5. 9. shop vac works good, has drawbacks though
  6. 11. keeps from being 'brrr'
  7. 15. not the coat