To many people, the Fourth of July means barbecues, parades, and setting off fireworks. To police officers, firefighters, and emergency room doctors, it means something else completely - Like severe burns and blown up hands. 

Jon Baird has more on the story.

<p>To many people, the Fourth of July means barbecues, parades, and setting off fireworks. To police officers, firefighters, and emergency room doctors, it means something else completely - Like severe burns and blown up hands. </p>
<p>Jon Baird has more on the story.</p>

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