Bell time revision

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Across
  1. 2. Type of technology to increase oxygen concentration
  2. 6. To manage or exploit in a way designed to make a profit
  3. 7. Barrier to participation
  4. 8. Speed play training
  5. 10. Someone to look up to
Down
  1. 1. Disorderly, aggressive, violent behaviour by spectators at sporting events
  2. 3. Principles of training acronym
  3. 4. Middle training season
  4. 5. The test for flexibility
  5. 9. A part of the golden triangle