Why do fumes kill?

Why do fumes kill?

In practice, what must be remembered is that the degradation of materials during a fire produces heat, fumes, toxic gases and oxygen depletion in the ambient air in confined spaces. It is the combination of these factors that makes fire victims serious.

Why are fumes dangerous?

Beyond poisoning deaths, fumes are potentially dangerous for health because of the substances that compose them. They are also corrosive to metal structures or electronic components.

Why is fire dangerous?

the fire is something of dangerous, because combustion destroys combustible objects, heat destroys what has not been burned. As for the fumes, they asphyxiate and damage the lungs if they are toxic.

Why are fumes dangerous?

Some fumes are very acidic (resulting from the combustion of PVC for example); alone or combined with extinguishing water, they can degrade technical installations and construction materials; structures can suffer irreversible damage, even after brief exposure. even for certain connection elements.

Why are the fumes radioactive?

The fumes from nuclear accidents or forest fires contaminated by radioactive fallout, after the Chernobyl disaster for example, are also radioactive and responsible for re-emissions and geographic displacements of radionuclides.

What are the components of smoke?

These particles are mainly soot (unburnt carbon), as well as fly ash; Often the smoke also contains large quantities of metallic and organic components in small quantities, but many of which are toxic.

Are humans exposed to fumes?

Worldwide, humans are statistically primarily exposed to smoke from wood, coal, cigarette and fire fires.