warm up exercise

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Across
  1. 4. Reachable or available.
  2. 7. Productive or effective.
  3. 8. Well-known or recognized.
  4. 9. Necessary or crucial
  5. 10. Useful or sensible.
Down
  1. 1. Trustworthy or dependable.
  2. 2. Easy or handy.
  3. 3. Adaptable or versatile.
  4. 5. Pleasant or cozy.
  5. 6. Regular or habitual activities.