Hard at work

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Across
  1. 2. to jump out of the plane or a helicopter with special equipment
  2. 5. having thick material making it protective
  3. 7. courageously
  4. 8. healthy and in a good physical condition
  5. 9. responsibility
  6. 10. difficult
Down
  1. 1. a bag that people carry on their bag
  2. 3. a special course of prearing physically and mentally for sth
  3. 4. a protective hat
  4. 6. the most distinguished, skilled
  5. 7. to defeat sb/sth
  6. 9. to let sth fall