1. A reminder of the main risks

1.1 Fire

Fire is a self-sustaining exothermic chemical reaction involving a fuel and an oxidizer (very often oxygen from the air). It can only start if a minimum initial energy, the source of ignition, is provided. Fire is self-sustaining under the effect of the heat produced by combustion.

How do fires start?

There are many possible sources of ignition. The main ones are: naked flame or incandescent solid, hot spot caused by Joule effect or friction, lightning, electric or electrostatic spark, adiabatic compression of a gas (which therefore heats up). The causes of ignition can be natural (lightning), human (carelessness, malice) or technological. Substances are more...

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Ongoing reading
A reminder of the main risks