Knowledge crossword

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Across
  1. 3. This hat stands for process control
  2. 5. land of the midnight sun
  3. 6. The country known as the Land of Cakes
  4. 7. a book on teamwork and collaboration by Stephen Lundin & Bob Nelson
  5. 9. also known as black diamond
  6. 10. Speed of computer mouse
Down
  1. 1. a poet or singer
  2. 2. this hat helps you to think positively
  3. 4. one of four cores of crediblity by Stephen M.R Covey
  4. 8. The country famous for Samba dance