2: Risks and Safe Working Practices

Table of Contents

1. Introduction
2. Fire Hazards and Precautions
   1. Fire Awareness Tips
   2. Fire Prevention Tips
   3. Fire Extinguishers
   4. Classes of Fire
   5. Extinguisher Maintenance
   6. Types of Extinguisher
   7. Water and Foam
   8. Carbon Dioxide
   9. Wet and Dry Chemical
   10. Powder
   11. Fire Extinguishers Task
   12. Fire Extinguishers SAQ
3. Electrical Hazards
4. Electro Static Discharge (ESD)
5. Anti-Static Precautions and Safety Hazards

Wet and Dry Chemical

Wet chemical extinguishers work by removing the heat from the fire and by creating a barrier between the fuel and oxygen. Wet chemical extinguishers are suitable for Class F fires, i.e. cooking oil and fats, which can reach extremely high temperatures.

Dry chemical extinguishers work by removing the chemical reaction of the fire. Dry chemical extinguishers are suitable for Class A, Class B and Class C fires, i.e. involving flammable liquids and electricity respectively

Next: Powder