Deepak Kumar's presentation covered the following topics:
1. He defined fire and the fire triangle of fuel, heat, and oxygen. He also classified different types of fires from A to E.
2. He described three methods for fighting fires - smothering, starvation, and cooling. He also explained the suitability of different fire extinguishers according to fire type.
3. He outlined the PASS technique for using a fire extinguisher and the RACE procedure for fire emergencies - Rescue, Alarm, Contain, Extinguish/Evacuate.
4. He discussed factors to consider when deciding whether to use a portable fire extinguisher and listed various firefighting