Watch this What's on Your Head? video to find out more about what firefighters do and what they wear. Boy 2: A police helmet. Nadiya: Karen, I think they're going to need a clue. Girl 1 and Boy 3 ...
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Why Do Firefighter Helmets Have A Unique Shape?The National Fire Protection Association (NFPA) required firefighters to wear an outer layer of protective gear that could withstand 500 degree Fahrenheit temperatures for five minutes.
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