What role does a fire hose serve in firefighting?

A fire hose plays a crucial role in firefighting by delivering water from a source, such as a fire hydrant or a fire engine, directly to the fire. This water is essential for controlling or extinguishing the blaze, as it cools down the flames and reduces the heat that sustains combustion. The hose allows firefighters to apply water effectively and efficiently to the specific area that needs to be addressed, which is vital for saving lives and property.

Fire hoses are designed to withstand high pressures and are integral to the entire firefighting operation, enabling a steady flow of water to combat fires effectively. This direct application of water can significantly reduce the intensity of the fire and ultimately result in its extinguishment.

The other options, such as using a hose for transporting equipment or containing a fire, do not accurately reflect the primary function of a fire hose, which is focused on delivering water as the main strategy for fire suppression.