Safety Puzzle

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Across
  1. 3. electrical safety locking
  2. 5. to work at height
  3. 7. for hand protection
  4. 8. oxygen deficient area
  5. 9. for earth leakage protection
  6. 11. protect your body
  7. 12. Life saving equipment
Down
  1. 1. fire fighting equipment
  2. 2. Document for Safety
  3. 4. hidden electrical hazard
  4. 5. safe to lift heavy equipment
  5. 6. for safe chemical handling
  6. 10. save your head