confined space

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Across
  1. 3. Separation to prevent contact
  2. 5. Tight, restricted area
  3. 8. Airborne chemical mist
  4. 9. Lack of breathable air
Down
  1. 1. Overflow of water
  2. 2. Air filled with harmful substances
  3. 4. Right gear for safety
  4. 6. Fine dry particles in the air
  5. 7. Ways out of a space