inventions are

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Across
  1. 2. able to succeed or to live!
  2. 5. able to be carried out, doable
  3. 6. highly intelligent
  4. 8. working well and without producing waste
  5. 9. so stupid that it makes you laugh
  6. 11. it can sell well on the market!
  7. 14. a completely new idea
  8. 15. i can't see any use of it
Down
  1. 1. will bring about profits
  2. 3. not making any sense, meaningless
  3. 4. very intelligent, bright
  4. 7. transforms everything
  5. 10. a waste of money
  6. 12. will not work in practice
  7. 13. it's the work of a genius mind