Brain drain

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Across
  1. 1. Be able to do well something that you learned
  2. 3. Be an example or a proof
  3. 5. Organisations connected together
  4. 6. success gained with hard work
  5. 8. Attracting or persuading
Down
  1. 2. Information you get with education or experience
  2. 4. Make better
  3. 7. Very difficult