SAFETY CROSSWORD

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Across
  1. 3. something having potential to cause harm
  2. 5. You must take precautions when entering this space.
  3. 8. unit used to remove contaminants of domestic effulent waste water.
  4. 12. “written documents” for permission to carryout a job by contractor
  5. 13. This hazard can be truly shocking
Down
  1. 1. machinery should be equipped with to protect workers
  2. 2. used to activate fire panel and alarm
  3. 4. Device typically used for LOTO
  4. 6. effective fire extinguisher for flammable liquid
  5. 7. effective respiratory protection against covid19 virus
  6. 9. are worn to prevent minor head scrapes and lacerations
  7. 10. pump used to maintain pressure in fire line
  8. 11. minimum concentration of vapour, gasses and dust in air below which propagation of flame does not occur on contact with a source of ignition