Example 1: When there's a fire in a building, firefighters rush in with hoses to spray water on the flames to make them go away.
Example 2: If a cat gets stuck in a tree, firefighters can climb up to save the kitty and bring it safely back down.
Example 3: Firefighters also teach people how to stay safe during a fire, like using a fire escape plan at home.
Fun Fact: Firefighters wear special gear, like helmets and boots, to keep them protected while they work!