They keep order and make sure people stay safe. They help protect people from armed criminals or terrorists. They also help people evacuate dangerous places safely.
Police officers
When a fire breaks out, they arrive. They work to contain the blaze, making sure that it doesn't spread. Then they put out the fire.
Firefighters
They help people who need immediate medical care in an emergency. They work quickly to bandage wounds and set broken bones.
Emergency medical technicians (EMTs)
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