Transfer of head through direct contact.

Oxygen, fuel, heat, and a self-sustained chemical reaction.

Created from a salvage cover placed on the floor to hold small amounts of water

An explosive ignition that can occur when air is allowed to mix with hot, unburned fire gases.

The pathway of responsibility from the highest level of the department to the lowest.

The tendency of gases to form into layers according to temperature.

A self-sustaining chemical reaction yielding energy or products that cause further reactions of the same kind.

Extinguishment of fire through cooling with water.

The most common of the hazardous substances contained in smoke that is a product of combustion.

The classification of fires involving energized electrical equipment.