H&S

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Across
  1. 2. Device used to detect smoke (5 letters)
  2. 3. Protective gear worn on the head (5 letters)
  3. 5. Signal to evacuate (3 letters)
  4. 6. O Type of fire extinguisher for electrical fires (1 letter, 2 letters)
  5. 7. First aid item for cuts (4 letters)
Down
  1. 1. The act of being careful (7 letters)
  2. 4. A plan for emergencies (8 letters)