What is the term used for the process of final extinguishment after a fire has been knocked down?

Prepare for the NFPA 921 Fire and Explosion Investigations Test. Use multiple choice questions and flashcards, each with hints and explanations. Ace your exam!

The term that refers to the process of final extinguishment after a fire has been knocked down is known as overhaul. This phase involves a careful examination and manipulation of the area affected by the fire to ensure that all hot spots or smoldering materials are identified and completely extinguished. Overhauling is crucial in preventing re-ignition, as it often exposes hidden areas of combustion and ensures that all remnants of the fire are fully dealt with.

During overhaul, firefighters may use tools to disrupt materials that may still be smoldering and ensure that all embers and burning materials are extinguished. The thoroughness of this process is vital not only for safety but also for the integrity of the investigation into the cause of the fire, as any overlooked hot spots could alter the understanding of how the fire developed and spread.

In contrast, suppression refers to the general activities and techniques used during firefighting to control and extinguish active flames. Containment is related to preventing the spread of fire but doesn’t necessarily imply that the fire has been knocked down. Extinction is a term that can be used interchangeably with extinguishment in a more general sense but does not specifically denote the detailed process of ensuring that the fire is completely out after it has been subdued

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