How is viscosity used to help fight fires?

Viscosity plays a crucial role in firefighting by influencing the behavior of fire suppression fluids, such as water and foam. Fluids with lower viscosity can spread more easily and penetrate fires effectively, while higher viscosity solutions can create thicker foams that smother flames and prevent oxygen from reaching the fire. Firefighters use this knowledge to select appropriate extinguishing agents based on the type of fire and the materials involved, optimizing their effectiveness in controlling and extinguishing flames.