Question

When a firefighter controls doors and windows during fire attack, it is an example of:________

Answer 1

When a firefighter controls doors and windows during fire attack, it is an example of oxygen exclusion.

In most cases, the extinguishing agent will keep oxygen out while acting as a "heat" sink to absorb the thermal energy and bring the material's temperature down. Certain fire extinguishers and fire blankets remove the oxygen from the triangle's "side," suffocating the user and stopping the combustion process. In most fire settings, the oxygen present in our environment (21%) is enough to enable burning. Separating the air or oxygen from the fuel source or replacing it with an inert gas are two ways to remove it.

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