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  2. Chemical hazard - Wikipedia

    en.wikipedia.org/wiki/Chemical_hazard

    Chemical hazards are hazards present in hazardous chemicals and hazardous materials.Exposure to certain chemicals can cause acute or long-term adverse health effects. . Chemical hazards are usually classified separately from biological hazards (bio

  3. Hazardous energy - Wikipedia

    en.wikipedia.org/wiki/Hazardous_energy

    Hazardous energy in occupational safety and health is any source of energy (including electrical, mechanical, thermal, chemical, hydraulic, and pneumatic sources of energy) that "can be hazardous to workers", such as from discharge of stored energy.

  4. Electrical equipment in hazardous areas - Wikipedia

    en.wikipedia.org/wiki/Electrical_equipment_in...

    This inspection lamp is constructed so that it cannot set off an explosion when surrounded by specified flammable gases or dust. In electrical and safety engineering, hazardous locations (HazLoc, pronounced haz·lōk) are places where fire or explosion hazards may exist.

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